Home / 13,298.13-18,350.59-7,329.47

Finding the Fourth Proportional to 13,298.13, 18,350.59 and 7,329.47

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Solution

The fourth proportional to 13,298.13, 18,350.59 and 7,329.47 is: 10,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.13 : 18,350.59 = 7,329.47 : x
  2. Step 2: Convert to fraction form
    13,298.13/18,350.59 = 7,329.47/x
  3. Step 3: Cross multiply
    13,298.13x = 18,350.59 × 7,329.47
  4. Step 4: Simplify right side
    13,298.13x = 134,500,062.24
  5. Step 5: Solve for x
    x = 134,500,062.24/13,298.13
  6. Step 6: Final answer
    x = 10,114.21

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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.