Home / 10,013.25-13,818.81-5,764.95

Finding the Fourth Proportional to 10,013.25, 13,818.81 and 5,764.95

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Solution

The fourth proportional to 10,013.25, 13,818.81 and 5,764.95 is: 7,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.25 : 13,818.81 = 5,764.95 : x
  2. Step 2: Convert to fraction form
    10,013.25/13,818.81 = 5,764.95/x
  3. Step 3: Cross multiply
    10,013.25x = 13,818.81 × 5,764.95
  4. Step 4: Simplify right side
    10,013.25x = 79,664,748.71
  5. Step 5: Solve for x
    x = 79,664,748.71/10,013.25
  6. Step 6: Final answer
    x = 7,955.93

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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.