Home / 19,360.79-29,041.51-5,320.73

Finding the Fourth Proportional to 19,360.79, 29,041.51 and 5,320.73

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Solution

The fourth proportional to 19,360.79, 29,041.51 and 5,320.73 is: 7,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.79 : 29,041.51 = 5,320.73 : x
  2. Step 2: Convert to fraction form
    19,360.79/29,041.51 = 5,320.73/x
  3. Step 3: Cross multiply
    19,360.79x = 29,041.51 × 5,320.73
  4. Step 4: Simplify right side
    19,360.79x = 154,522,028.38
  5. Step 5: Solve for x
    x = 154,522,028.38/19,360.79
  6. Step 6: Final answer
    x = 7,981.18

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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.