Home / 15,470.84-23,187.22-7,139.58

Finding the Fourth Proportional to 15,470.84, 23,187.22 and 7,139.58

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Solution

The fourth proportional to 15,470.84, 23,187.22 and 7,139.58 is: 10,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.84 : 23,187.22 = 7,139.58 : x
  2. Step 2: Convert to fraction form
    15,470.84/23,187.22 = 7,139.58/x
  3. Step 3: Cross multiply
    15,470.84x = 23,187.22 × 7,139.58
  4. Step 4: Simplify right side
    15,470.84x = 165,547,012.17
  5. Step 5: Solve for x
    x = 165,547,012.17/15,470.84
  6. Step 6: Final answer
    x = 10,700.58

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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.