Home / 14,005.04-21,013.76-7,339.95

Finding the Fourth Proportional to 14,005.04, 21,013.76 and 7,339.95

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Solution

The fourth proportional to 14,005.04, 21,013.76 and 7,339.95 is: 11,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.04 : 21,013.76 = 7,339.95 : x
  2. Step 2: Convert to fraction form
    14,005.04/21,013.76 = 7,339.95/x
  3. Step 3: Cross multiply
    14,005.04x = 21,013.76 × 7,339.95
  4. Step 4: Simplify right side
    14,005.04x = 154,239,926.19
  5. Step 5: Solve for x
    x = 154,239,926.19/14,005.04
  6. Step 6: Final answer
    x = 11,013.18

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1.5x scale

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.