Home / 12,248.47-18,378.77-4,852.76

Finding the Fourth Proportional to 12,248.47, 18,378.77 and 4,852.76

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Solution

The fourth proportional to 12,248.47, 18,378.77 and 4,852.76 is: 7,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.47 : 18,378.77 = 4,852.76 : x
  2. Step 2: Convert to fraction form
    12,248.47/18,378.77 = 4,852.76/x
  3. Step 3: Cross multiply
    12,248.47x = 18,378.77 × 4,852.76
  4. Step 4: Simplify right side
    12,248.47x = 89,187,788.07
  5. Step 5: Solve for x
    x = 89,187,788.07/12,248.47
  6. Step 6: Final answer
    x = 7,281.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.