Home / 19,345.47-29,015.93-5,306.91

Finding the Fourth Proportional to 19,345.47, 29,015.93 and 5,306.91

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Solution

The fourth proportional to 19,345.47, 29,015.93 and 5,306.91 is: 7,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.47 : 29,015.93 = 5,306.91 : x
  2. Step 2: Convert to fraction form
    19,345.47/29,015.93 = 5,306.91/x
  3. Step 3: Cross multiply
    19,345.47x = 29,015.93 × 5,306.91
  4. Step 4: Simplify right side
    19,345.47x = 153,984,902.54
  5. Step 5: Solve for x
    x = 153,984,902.54/19,345.47
  6. Step 6: Final answer
    x = 7,959.74

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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.