Home / 10,880.76-16,342.74-9,320.16

Finding the Fourth Proportional to 10,880.76, 16,342.74 and 9,320.16

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Solution

The fourth proportional to 10,880.76, 16,342.74 and 9,320.16 is: 13,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.76 : 16,342.74 = 9,320.16 : x
  2. Step 2: Convert to fraction form
    10,880.76/16,342.74 = 9,320.16/x
  3. Step 3: Cross multiply
    10,880.76x = 16,342.74 × 9,320.16
  4. Step 4: Simplify right side
    10,880.76x = 152,316,951.64
  5. Step 5: Solve for x
    x = 152,316,951.64/10,880.76
  6. Step 6: Final answer
    x = 13,998.74

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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.