Home / 9,849.79-13,587.45-6,658.90

Finding the Fourth Proportional to 9,849.79, 13,587.45 and 6,658.90

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Solution

The fourth proportional to 9,849.79, 13,587.45 and 6,658.90 is: 9,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,849.79 : 13,587.45 = 6,658.90 : x
  2. Step 2: Convert to fraction form
    9,849.79/13,587.45 = 6,658.90/x
  3. Step 3: Cross multiply
    9,849.79x = 13,587.45 × 6,658.90
  4. Step 4: Simplify right side
    9,849.79x = 90,477,470.81
  5. Step 5: Solve for x
    x = 90,477,470.81/9,849.79
  6. Step 6: Final answer
    x = 9,185.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.