Home / 14,013.84-19,339.08-7,726.24

Finding the Fourth Proportional to 14,013.84, 19,339.08 and 7,726.24

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Solution

The fourth proportional to 14,013.84, 19,339.08 and 7,726.24 is: 10,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.84 : 19,339.08 = 7,726.24 : x
  2. Step 2: Convert to fraction form
    14,013.84/19,339.08 = 7,726.24/x
  3. Step 3: Cross multiply
    14,013.84x = 19,339.08 × 7,726.24
  4. Step 4: Simplify right side
    14,013.84x = 149,418,373.46
  5. Step 5: Solve for x
    x = 149,418,373.46/14,013.84
  6. Step 6: Final answer
    x = 10,662.20

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Half scale
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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.