Home / 10,044.20-15,075.58-5,117.40

Finding the Fourth Proportional to 10,044.20, 15,075.58 and 5,117.40

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Solution

The fourth proportional to 10,044.20, 15,075.58 and 5,117.40 is: 7,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,044.20 : 15,075.58 = 5,117.40 : x
  2. Step 2: Convert to fraction form
    10,044.20/15,075.58 = 5,117.40/x
  3. Step 3: Cross multiply
    10,044.20x = 15,075.58 × 5,117.40
  4. Step 4: Simplify right side
    10,044.20x = 77,147,773.09
  5. Step 5: Solve for x
    x = 77,147,773.09/10,044.20
  6. Step 6: Final answer
    x = 7,680.83

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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.