Home / 10,445.15-15,658.13-4,518.33

Finding the Fourth Proportional to 10,445.15, 15,658.13 and 4,518.33

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Solution

The fourth proportional to 10,445.15, 15,658.13 and 4,518.33 is: 6,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.15 : 15,658.13 = 4,518.33 : x
  2. Step 2: Convert to fraction form
    10,445.15/15,658.13 = 4,518.33/x
  3. Step 3: Cross multiply
    10,445.15x = 15,658.13 × 4,518.33
  4. Step 4: Simplify right side
    10,445.15x = 70,748,575.93
  5. Step 5: Solve for x
    x = 70,748,575.93/10,445.15
  6. Step 6: Final answer
    x = 6,773.35

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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.