Home / 21,411.19-32,117.49-7,371.07

Finding the Fourth Proportional to 21,411.19, 32,117.49 and 7,371.07

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Solution

The fourth proportional to 21,411.19, 32,117.49 and 7,371.07 is: 11,056.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411.19 : 32,117.49 = 7,371.07 : x
  2. Step 2: Convert to fraction form
    21,411.19/32,117.49 = 7,371.07/x
  3. Step 3: Cross multiply
    21,411.19x = 32,117.49 × 7,371.07
  4. Step 4: Simplify right side
    21,411.19x = 236,740,267.01
  5. Step 5: Solve for x
    x = 236,740,267.01/21,411.19
  6. Step 6: Final answer
    x = 11,056.85

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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.