Home / 10,282.40-15,424.80-6,587.60

Finding the Fourth Proportional to 10,282.40, 15,424.80 and 6,587.60

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Solution

The fourth proportional to 10,282.40, 15,424.80 and 6,587.60 is: 9,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.40 : 15,424.80 = 6,587.60 : x
  2. Step 2: Convert to fraction form
    10,282.40/15,424.80 = 6,587.60/x
  3. Step 3: Cross multiply
    10,282.40x = 15,424.80 × 6,587.60
  4. Step 4: Simplify right side
    10,282.40x = 101,612,412.48
  5. Step 5: Solve for x
    x = 101,612,412.48/10,282.40
  6. Step 6: Final answer
    x = 9,882.17

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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.