Home / 16,830.47-23,227.38-9,278.14

Finding the Fourth Proportional to 16,830.47, 23,227.38 and 9,278.14

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Solution

The fourth proportional to 16,830.47, 23,227.38 and 9,278.14 is: 12,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.47 : 23,227.38 = 9,278.14 : x
  2. Step 2: Convert to fraction form
    16,830.47/23,227.38 = 9,278.14/x
  3. Step 3: Cross multiply
    16,830.47x = 23,227.38 × 9,278.14
  4. Step 4: Simplify right side
    16,830.47x = 215,506,883.47
  5. Step 5: Solve for x
    x = 215,506,883.47/16,830.47
  6. Step 6: Final answer
    x = 12,804.57

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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.