Home / 18,412.02-25,409.20-10,347.10

Finding the Fourth Proportional to 18,412.02, 25,409.20 and 10,347.10

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Solution

The fourth proportional to 18,412.02, 25,409.20 and 10,347.10 is: 14,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.02 : 25,409.20 = 10,347.10 : x
  2. Step 2: Convert to fraction form
    18,412.02/25,409.20 = 10,347.10/x
  3. Step 3: Cross multiply
    18,412.02x = 25,409.20 × 10,347.10
  4. Step 4: Simplify right side
    18,412.02x = 262,911,533.32
  5. Step 5: Solve for x
    x = 262,911,533.32/18,412.02
  6. Step 6: Final answer
    x = 14,279.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.