Home / 11,557.12-15,948.81-6,521.34

Finding the Fourth Proportional to 11,557.12, 15,948.81 and 6,521.34

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Solution

The fourth proportional to 11,557.12, 15,948.81 and 6,521.34 is: 8,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.12 : 15,948.81 = 6,521.34 : x
  2. Step 2: Convert to fraction form
    11,557.12/15,948.81 = 6,521.34/x
  3. Step 3: Cross multiply
    11,557.12x = 15,948.81 × 6,521.34
  4. Step 4: Simplify right side
    11,557.12x = 104,007,612.61
  5. Step 5: Solve for x
    x = 104,007,612.61/11,557.12
  6. Step 6: Final answer
    x = 8,999.44

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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.