Home / 9,439.60-14,159.40-8,532.40

Finding the Fourth Proportional to 9,439.60, 14,159.40 and 8,532.40

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Solution

The fourth proportional to 9,439.60, 14,159.40 and 8,532.40 is: 12,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.60 : 14,159.40 = 8,532.40 : x
  2. Step 2: Convert to fraction form
    9,439.60/14,159.40 = 8,532.40/x
  3. Step 3: Cross multiply
    9,439.60x = 14,159.40 × 8,532.40
  4. Step 4: Simplify right side
    9,439.60x = 120,813,664.56
  5. Step 5: Solve for x
    x = 120,813,664.56/9,439.60
  6. Step 6: Final answer
    x = 12,798.60

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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.