Home / 15,569.52-21,477.24-9,894.48

Finding the Fourth Proportional to 15,569.52, 21,477.24 and 9,894.48

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Solution

The fourth proportional to 15,569.52, 21,477.24 and 9,894.48 is: 13,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.52 : 21,477.24 = 9,894.48 : x
  2. Step 2: Convert to fraction form
    15,569.52/21,477.24 = 9,894.48/x
  3. Step 3: Cross multiply
    15,569.52x = 21,477.24 × 9,894.48
  4. Step 4: Simplify right side
    15,569.52x = 212,506,121.64
  5. Step 5: Solve for x
    x = 212,506,121.64/15,569.52
  6. Step 6: Final answer
    x = 13,648.86

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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.