Home / 15,352.76-21,187.85-11,569.25

Finding the Fourth Proportional to 15,352.76, 21,187.85 and 11,569.25

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Solution

The fourth proportional to 15,352.76, 21,187.85 and 11,569.25 is: 15,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.76 : 21,187.85 = 11,569.25 : x
  2. Step 2: Convert to fraction form
    15,352.76/21,187.85 = 11,569.25/x
  3. Step 3: Cross multiply
    15,352.76x = 21,187.85 × 11,569.25
  4. Step 4: Simplify right side
    15,352.76x = 245,127,528.74
  5. Step 5: Solve for x
    x = 245,127,528.74/15,352.76
  6. Step 6: Final answer
    x = 15,966.35

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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.