Home / 10,544.02-15,813.60-7,278.10

Finding the Fourth Proportional to 10,544.02, 15,813.60 and 7,278.10

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Solution

The fourth proportional to 10,544.02, 15,813.60 and 7,278.10 is: 10,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.02 : 15,813.60 = 7,278.10 : x
  2. Step 2: Convert to fraction form
    10,544.02/15,813.60 = 7,278.10/x
  3. Step 3: Cross multiply
    10,544.02x = 15,813.60 × 7,278.10
  4. Step 4: Simplify right side
    10,544.02x = 115,092,962.16
  5. Step 5: Solve for x
    x = 115,092,962.16/10,544.02
  6. Step 6: Final answer
    x = 10,915.47

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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.