Home / 19,346.47-29,017.42-5,307.91

Finding the Fourth Proportional to 19,346.47, 29,017.42 and 5,307.91

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Solution

The fourth proportional to 19,346.47, 29,017.42 and 5,307.91 is: 7,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.47 : 29,017.42 = 5,307.91 : x
  2. Step 2: Convert to fraction form
    19,346.47/29,017.42 = 5,307.91/x
  3. Step 3: Cross multiply
    19,346.47x = 29,017.42 × 5,307.91
  4. Step 4: Simplify right side
    19,346.47x = 154,021,853.79
  5. Step 5: Solve for x
    x = 154,021,853.79/19,346.47
  6. Step 6: Final answer
    x = 7,961.24

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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.