Home / 10,579.06-15,868.76-5,031.28

Finding the Fourth Proportional to 10,579.06, 15,868.76 and 5,031.28

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Solution

The fourth proportional to 10,579.06, 15,868.76 and 5,031.28 is: 7,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.06 : 15,868.76 = 5,031.28 : x
  2. Step 2: Convert to fraction form
    10,579.06/15,868.76 = 5,031.28/x
  3. Step 3: Cross multiply
    10,579.06x = 15,868.76 × 5,031.28
  4. Step 4: Simplify right side
    10,579.06x = 79,840,197.79
  5. Step 5: Solve for x
    x = 79,840,197.79/10,579.06
  6. Step 6: Final answer
    x = 7,547.01

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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.