Home / 10,543.62-15,816.11-5,277.05

Finding the Fourth Proportional to 10,543.62, 15,816.11 and 5,277.05

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Solution

The fourth proportional to 10,543.62, 15,816.11 and 5,277.05 is: 7,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.62 : 15,816.11 = 5,277.05 : x
  2. Step 2: Convert to fraction form
    10,543.62/15,816.11 = 5,277.05/x
  3. Step 3: Cross multiply
    10,543.62x = 15,816.11 × 5,277.05
  4. Step 4: Simplify right side
    10,543.62x = 83,462,386.80
  5. Step 5: Solve for x
    x = 83,462,386.80/10,543.62
  6. Step 6: Final answer
    x = 7,915.92

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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.