Home / 13,316.61-18,377.82-7,653.19

Finding the Fourth Proportional to 13,316.61, 18,377.82 and 7,653.19

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Solution

The fourth proportional to 13,316.61, 18,377.82 and 7,653.19 is: 10,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.61 : 18,377.82 = 7,653.19 : x
  2. Step 2: Convert to fraction form
    13,316.61/18,377.82 = 7,653.19/x
  3. Step 3: Cross multiply
    13,316.61x = 18,377.82 × 7,653.19
  4. Step 4: Simplify right side
    13,316.61x = 140,648,948.25
  5. Step 5: Solve for x
    x = 140,648,948.25/13,316.61
  6. Step 6: Final answer
    x = 10,561.92

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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.