Home / 19,957.40-29,937.63-11,638.25

Finding the Fourth Proportional to 19,957.40, 29,937.63 and 11,638.25

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Solution

The fourth proportional to 19,957.40, 29,937.63 and 11,638.25 is: 17,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.40 : 29,937.63 = 11,638.25 : x
  2. Step 2: Convert to fraction form
    19,957.40/29,937.63 = 11,638.25/x
  3. Step 3: Cross multiply
    19,957.40x = 29,937.63 × 11,638.25
  4. Step 4: Simplify right side
    19,957.40x = 348,421,472.66
  5. Step 5: Solve for x
    x = 348,421,472.66/19,957.40
  6. Step 6: Final answer
    x = 17,458.26

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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.