Home / 15,637.29-23,432.40-9,390.48

Finding the Fourth Proportional to 15,637.29, 23,432.40 and 9,390.48

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Solution

The fourth proportional to 15,637.29, 23,432.40 and 9,390.48 is: 14,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.29 : 23,432.40 = 9,390.48 : x
  2. Step 2: Convert to fraction form
    15,637.29/23,432.40 = 9,390.48/x
  3. Step 3: Cross multiply
    15,637.29x = 23,432.40 × 9,390.48
  4. Step 4: Simplify right side
    15,637.29x = 220,041,483.55
  5. Step 5: Solve for x
    x = 220,041,483.55/15,637.29
  6. Step 6: Final answer
    x = 14,071.59

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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.