Home / 13,248.97-18,281.50-7,582.41

Finding the Fourth Proportional to 13,248.97, 18,281.50 and 7,582.41

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Solution

The fourth proportional to 13,248.97, 18,281.50 and 7,582.41 is: 10,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.97 : 18,281.50 = 7,582.41 : x
  2. Step 2: Convert to fraction form
    13,248.97/18,281.50 = 7,582.41/x
  3. Step 3: Cross multiply
    13,248.97x = 18,281.50 × 7,582.41
  4. Step 4: Simplify right side
    13,248.97x = 138,617,809.46
  5. Step 5: Solve for x
    x = 138,617,809.46/13,248.97
  6. Step 6: Final answer
    x = 10,462.54

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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.