Home / 12,403.59-18,572.19-10,435.29

Finding the Fourth Proportional to 12,403.59, 18,572.19 and 10,435.29

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Solution

The fourth proportional to 12,403.59, 18,572.19 and 10,435.29 is: 15,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.59 : 18,572.19 = 10,435.29 : x
  2. Step 2: Convert to fraction form
    12,403.59/18,572.19 = 10,435.29/x
  3. Step 3: Cross multiply
    12,403.59x = 18,572.19 × 10,435.29
  4. Step 4: Simplify right side
    12,403.59x = 193,806,188.59
  5. Step 5: Solve for x
    x = 193,806,188.59/12,403.59
  6. Step 6: Final answer
    x = 15,625.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.