Home / 18,276.40-25,220.78-10,210.48

Finding the Fourth Proportional to 18,276.40, 25,220.78 and 10,210.48

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Solution

The fourth proportional to 18,276.40, 25,220.78 and 10,210.48 is: 14,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.40 : 25,220.78 = 10,210.48 : x
  2. Step 2: Convert to fraction form
    18,276.40/25,220.78 = 10,210.48/x
  3. Step 3: Cross multiply
    18,276.40x = 25,220.78 × 10,210.48
  4. Step 4: Simplify right side
    18,276.40x = 257,516,269.77
  5. Step 5: Solve for x
    x = 257,516,269.77/18,276.40
  6. Step 6: Final answer
    x = 14,090.10

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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.