Home / 60,011.16-90,016.78-15,637.80

Finding the Fourth Proportional to 60,011.16, 90,016.78 and 15,637.80

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Solution

The fourth proportional to 60,011.16, 90,016.78 and 15,637.80 is: 23,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.16 : 90,016.78 = 15,637.80 : x
  2. Step 2: Convert to fraction form
    60,011.16/90,016.78 = 15,637.80/x
  3. Step 3: Cross multiply
    60,011.16x = 90,016.78 × 15,637.80
  4. Step 4: Simplify right side
    60,011.16x = 1,407,664,402.28
  5. Step 5: Solve for x
    x = 1,407,664,402.28/60,011.16
  6. Step 6: Final answer
    x = 23,456.71

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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.