Home / 8,695.34-13,042.96-7,521.83

Finding the Fourth Proportional to 8,695.34, 13,042.96 and 7,521.83

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Solution

The fourth proportional to 8,695.34, 13,042.96 and 7,521.83 is: 11,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.34 : 13,042.96 = 7,521.83 : x
  2. Step 2: Convert to fraction form
    8,695.34/13,042.96 = 7,521.83/x
  3. Step 3: Cross multiply
    8,695.34x = 13,042.96 × 7,521.83
  4. Step 4: Simplify right side
    8,695.34x = 98,106,927.82
  5. Step 5: Solve for x
    x = 98,106,927.82/8,695.34
  6. Step 6: Final answer
    x = 11,282.70

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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.