Home / 19,680.02-29,519.92-4,888.93

Finding the Fourth Proportional to 19,680.02, 29,519.92 and 4,888.93

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Solution

The fourth proportional to 19,680.02, 29,519.92 and 4,888.93 is: 7,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.02 : 29,519.92 = 4,888.93 : x
  2. Step 2: Convert to fraction form
    19,680.02/29,519.92 = 4,888.93/x
  3. Step 3: Cross multiply
    19,680.02x = 29,519.92 × 4,888.93
  4. Step 4: Simplify right side
    19,680.02x = 144,320,822.49
  5. Step 5: Solve for x
    x = 144,320,822.49/19,680.02
  6. Step 6: Final answer
    x = 7,333.37

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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.