Home / 10,557.36-15,872.49-10,280.34

Finding the Fourth Proportional to 10,557.36, 15,872.49 and 10,280.34

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Solution

The fourth proportional to 10,557.36, 15,872.49 and 10,280.34 is: 15,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.36 : 15,872.49 = 10,280.34 : x
  2. Step 2: Convert to fraction form
    10,557.36/15,872.49 = 10,280.34/x
  3. Step 3: Cross multiply
    10,557.36x = 15,872.49 × 10,280.34
  4. Step 4: Simplify right side
    10,557.36x = 163,174,593.85
  5. Step 5: Solve for x
    x = 163,174,593.85/10,557.36
  6. Step 6: Final answer
    x = 15,456.00

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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.