Home / 30,117.74-45,182.67-10,397.06

Finding the Fourth Proportional to 30,117.74, 45,182.67 and 10,397.06

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Solution

The fourth proportional to 30,117.74, 45,182.67 and 10,397.06 is: 15,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.74 : 45,182.67 = 10,397.06 : x
  2. Step 2: Convert to fraction form
    30,117.74/45,182.67 = 10,397.06/x
  3. Step 3: Cross multiply
    30,117.74x = 45,182.67 × 10,397.06
  4. Step 4: Simplify right side
    30,117.74x = 469,766,930.95
  5. Step 5: Solve for x
    x = 469,766,930.95/30,117.74
  6. Step 6: Final answer
    x = 15,597.68

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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.