Home / 60,009.16-90,013.78-15,635.80

Finding the Fourth Proportional to 60,009.16, 90,013.78 and 15,635.80

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Solution

The fourth proportional to 60,009.16, 90,013.78 and 15,635.80 is: 23,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,009.16 : 90,013.78 = 15,635.80 : x
  2. Step 2: Convert to fraction form
    60,009.16/90,013.78 = 15,635.80/x
  3. Step 3: Cross multiply
    60,009.16x = 90,013.78 × 15,635.80
  4. Step 4: Simplify right side
    60,009.16x = 1,407,437,461.32
  5. Step 5: Solve for x
    x = 1,407,437,461.32/60,009.16
  6. Step 6: Final answer
    x = 23,453.71

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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.