Home / 15,377.67-21,232.55-9,417.47

Finding the Fourth Proportional to 15,377.67, 21,232.55 and 9,417.47

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Solution

The fourth proportional to 15,377.67, 21,232.55 and 9,417.47 is: 13,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.67 : 21,232.55 = 9,417.47 : x
  2. Step 2: Convert to fraction form
    15,377.67/21,232.55 = 9,417.47/x
  3. Step 3: Cross multiply
    15,377.67x = 21,232.55 × 9,417.47
  4. Step 4: Simplify right side
    15,377.67x = 199,956,820.03
  5. Step 5: Solve for x
    x = 199,956,820.03/15,377.67
  6. Step 6: Final answer
    x = 13,003.06

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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.