Home / 9,133.15-12,605.18-6,897.55

Finding the Fourth Proportional to 9,133.15, 12,605.18 and 6,897.55

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Solution

The fourth proportional to 9,133.15, 12,605.18 and 6,897.55 is: 9,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.15 : 12,605.18 = 6,897.55 : x
  2. Step 2: Convert to fraction form
    9,133.15/12,605.18 = 6,897.55/x
  3. Step 3: Cross multiply
    9,133.15x = 12,605.18 × 6,897.55
  4. Step 4: Simplify right side
    9,133.15x = 86,944,859.31
  5. Step 5: Solve for x
    x = 86,944,859.31/9,133.15
  6. Step 6: Final answer
    x = 9,519.70

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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.