Home / 13,350.48-18,423.72-7,382.16

Finding the Fourth Proportional to 13,350.48, 18,423.72 and 7,382.16

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Solution

The fourth proportional to 13,350.48, 18,423.72 and 7,382.16 is: 10,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.48 : 18,423.72 = 7,382.16 : x
  2. Step 2: Convert to fraction form
    13,350.48/18,423.72 = 7,382.16/x
  3. Step 3: Cross multiply
    13,350.48x = 18,423.72 × 7,382.16
  4. Step 4: Simplify right side
    13,350.48x = 136,006,848.84
  5. Step 5: Solve for x
    x = 136,006,848.84/13,350.48
  6. Step 6: Final answer
    x = 10,187.41

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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.