Home / 10,281.08-15,425.40-5,018.24

Finding the Fourth Proportional to 10,281.08, 15,425.40 and 5,018.24

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Solution

The fourth proportional to 10,281.08, 15,425.40 and 5,018.24 is: 7,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.08 : 15,425.40 = 5,018.24 : x
  2. Step 2: Convert to fraction form
    10,281.08/15,425.40 = 5,018.24/x
  3. Step 3: Cross multiply
    10,281.08x = 15,425.40 × 5,018.24
  4. Step 4: Simplify right side
    10,281.08x = 77,408,359.30
  5. Step 5: Solve for x
    x = 77,408,359.30/10,281.08
  6. Step 6: Final answer
    x = 7,529.21

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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.