Home / 10,730.07-15,959.03-10,613.43

Finding the Fourth Proportional to 10,730.07, 15,959.03 and 10,613.43

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Solution

The fourth proportional to 10,730.07, 15,959.03 and 10,613.43 is: 15,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.07 : 15,959.03 = 10,613.43 : x
  2. Step 2: Convert to fraction form
    10,730.07/15,959.03 = 10,613.43/x
  3. Step 3: Cross multiply
    10,730.07x = 15,959.03 × 10,613.43
  4. Step 4: Simplify right side
    10,730.07x = 169,379,994.71
  5. Step 5: Solve for x
    x = 169,379,994.71/10,730.07
  6. Step 6: Final answer
    x = 15,785.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.