Home / 12,518.23-17,275.20-6,929.23

Finding the Fourth Proportional to 12,518.23, 17,275.20 and 6,929.23

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Solution

The fourth proportional to 12,518.23, 17,275.20 and 6,929.23 is: 9,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.23 : 17,275.20 = 6,929.23 : x
  2. Step 2: Convert to fraction form
    12,518.23/17,275.20 = 6,929.23/x
  3. Step 3: Cross multiply
    12,518.23x = 17,275.20 × 6,929.23
  4. Step 4: Simplify right side
    12,518.23x = 119,703,834.10
  5. Step 5: Solve for x
    x = 119,703,834.10/12,518.23
  6. Step 6: Final answer
    x = 9,562.36

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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.