Home / 13,345.91-18,416.78-7,296.04

Finding the Fourth Proportional to 13,345.91, 18,416.78 and 7,296.04

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Solution

The fourth proportional to 13,345.91, 18,416.78 and 7,296.04 is: 10,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.91 : 18,416.78 = 7,296.04 : x
  2. Step 2: Convert to fraction form
    13,345.91/18,416.78 = 7,296.04/x
  3. Step 3: Cross multiply
    13,345.91x = 18,416.78 × 7,296.04
  4. Step 4: Simplify right side
    13,345.91x = 134,369,471.47
  5. Step 5: Solve for x
    x = 134,369,471.47/13,345.91
  6. Step 6: Final answer
    x = 10,068.22

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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.