Home / 10,014.59-15,002.57-5,618.72

Finding the Fourth Proportional to 10,014.59, 15,002.57 and 5,618.72

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Solution

The fourth proportional to 10,014.59, 15,002.57 and 5,618.72 is: 8,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.59 : 15,002.57 = 5,618.72 : x
  2. Step 2: Convert to fraction form
    10,014.59/15,002.57 = 5,618.72/x
  3. Step 3: Cross multiply
    10,014.59x = 15,002.57 × 5,618.72
  4. Step 4: Simplify right side
    10,014.59x = 84,295,291.66
  5. Step 5: Solve for x
    x = 84,295,291.66/10,014.59
  6. Step 6: Final answer
    x = 8,417.25

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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.