Home / 19,335.67-29,010.40-11,931.50

Finding the Fourth Proportional to 19,335.67, 29,010.40 and 11,931.50

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Solution

The fourth proportional to 19,335.67, 29,010.40 and 11,931.50 is: 17,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,335.67 : 29,010.40 = 11,931.50 : x
  2. Step 2: Convert to fraction form
    19,335.67/29,010.40 = 11,931.50/x
  3. Step 3: Cross multiply
    19,335.67x = 29,010.40 × 11,931.50
  4. Step 4: Simplify right side
    19,335.67x = 346,137,630.30
  5. Step 5: Solve for x
    x = 346,137,630.30/19,335.67
  6. Step 6: Final answer
    x = 17,901.51

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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.