Home / 15,557.46-21,476.52-9,181.95

Finding the Fourth Proportional to 15,557.46, 21,476.52 and 9,181.95

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Solution

The fourth proportional to 15,557.46, 21,476.52 and 9,181.95 is: 12,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.46 : 21,476.52 = 9,181.95 : x
  2. Step 2: Convert to fraction form
    15,557.46/21,476.52 = 9,181.95/x
  3. Step 3: Cross multiply
    15,557.46x = 21,476.52 × 9,181.95
  4. Step 4: Simplify right side
    15,557.46x = 197,196,332.81
  5. Step 5: Solve for x
    x = 197,196,332.81/15,557.46
  6. Step 6: Final answer
    x = 12,675.36

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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.