Home / 10,013.30-13,818.48-5,764.76

Finding the Fourth Proportional to 10,013.30, 13,818.48 and 5,764.76

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Solution

The fourth proportional to 10,013.30, 13,818.48 and 5,764.76 is: 7,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.30 : 13,818.48 = 5,764.76 : x
  2. Step 2: Convert to fraction form
    10,013.30/13,818.48 = 5,764.76/x
  3. Step 3: Cross multiply
    10,013.30x = 13,818.48 × 5,764.76
  4. Step 4: Simplify right side
    10,013.30x = 79,660,220.76
  5. Step 5: Solve for x
    x = 79,660,220.76/10,013.30
  6. Step 6: Final answer
    x = 7,955.44

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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.