Home / 9,432.36-14,153.85-8,688.78

Finding the Fourth Proportional to 9,432.36, 14,153.85 and 8,688.78

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Solution

The fourth proportional to 9,432.36, 14,153.85 and 8,688.78 is: 13,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.36 : 14,153.85 = 8,688.78 : x
  2. Step 2: Convert to fraction form
    9,432.36/14,153.85 = 8,688.78/x
  3. Step 3: Cross multiply
    9,432.36x = 14,153.85 × 8,688.78
  4. Step 4: Simplify right side
    9,432.36x = 122,979,688.80
  5. Step 5: Solve for x
    x = 122,979,688.80/9,432.36
  6. Step 6: Final answer
    x = 13,038.06

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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.