Home / 18,373.02-25,360.52-10,420.50

Finding the Fourth Proportional to 18,373.02, 25,360.52 and 10,420.50

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Solution

The fourth proportional to 18,373.02, 25,360.52 and 10,420.50 is: 14,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.02 : 25,360.52 = 10,420.50 : x
  2. Step 2: Convert to fraction form
    18,373.02/25,360.52 = 10,420.50/x
  3. Step 3: Cross multiply
    18,373.02x = 25,360.52 × 10,420.50
  4. Step 4: Simplify right side
    18,373.02x = 264,269,298.66
  5. Step 5: Solve for x
    x = 264,269,298.66/18,373.02
  6. Step 6: Final answer
    x = 14,383.55

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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.