Home / 10,417.60-15,631.36-5,227.12

Finding the Fourth Proportional to 10,417.60, 15,631.36 and 5,227.12

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Solution

The fourth proportional to 10,417.60, 15,631.36 and 5,227.12 is: 7,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.60 : 15,631.36 = 5,227.12 : x
  2. Step 2: Convert to fraction form
    10,417.60/15,631.36 = 5,227.12/x
  3. Step 3: Cross multiply
    10,417.60x = 15,631.36 × 5,227.12
  4. Step 4: Simplify right side
    10,417.60x = 81,706,994.48
  5. Step 5: Solve for x
    x = 81,706,994.48/10,417.60
  6. Step 6: Final answer
    x = 7,843.17

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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.