Home / 10,488.04-15,743-4,648.76

Finding the Fourth Proportional to 10,488.04, 15,743 and 4,648.76

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Solution

The fourth proportional to 10,488.04, 15,743 and 4,648.76 is: 6,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.04 : 15,743 = 4,648.76 : x
  2. Step 2: Convert to fraction form
    10,488.04/15,743 = 4,648.76/x
  3. Step 3: Cross multiply
    10,488.04x = 15,743 × 4,648.76
  4. Step 4: Simplify right side
    10,488.04x = 73,185,428.68
  5. Step 5: Solve for x
    x = 73,185,428.68/10,488.04
  6. Step 6: Final answer
    x = 6,977.99

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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.