Home / 13,347.01-18,417.46-7,377.71

Finding the Fourth Proportional to 13,347.01, 18,417.46 and 7,377.71

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Solution

The fourth proportional to 13,347.01, 18,417.46 and 7,377.71 is: 10,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.01 : 18,417.46 = 7,377.71 : x
  2. Step 2: Convert to fraction form
    13,347.01/18,417.46 = 7,377.71/x
  3. Step 3: Cross multiply
    13,347.01x = 18,417.46 × 7,377.71
  4. Step 4: Simplify right side
    13,347.01x = 135,878,641.93
  5. Step 5: Solve for x
    x = 135,878,641.93/13,347.01
  6. Step 6: Final answer
    x = 10,180.46

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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.