Home / 13,252.17-18,288.18-7,283.91

Finding the Fourth Proportional to 13,252.17, 18,288.18 and 7,283.91

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Solution

The fourth proportional to 13,252.17, 18,288.18 and 7,283.91 is: 10,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.17 : 18,288.18 = 7,283.91 : x
  2. Step 2: Convert to fraction form
    13,252.17/18,288.18 = 7,283.91/x
  3. Step 3: Cross multiply
    13,252.17x = 18,288.18 × 7,283.91
  4. Step 4: Simplify right side
    13,252.17x = 133,209,457.18
  5. Step 5: Solve for x
    x = 133,209,457.18/13,252.17
  6. Step 6: Final answer
    x = 10,051.90

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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.