Home / 15,916.80-23,870.88-13,301.04

Finding the Fourth Proportional to 15,916.80, 23,870.88 and 13,301.04

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Solution

The fourth proportional to 15,916.80, 23,870.88 and 13,301.04 is: 19,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.80 : 23,870.88 = 13,301.04 : x
  2. Step 2: Convert to fraction form
    15,916.80/23,870.88 = 13,301.04/x
  3. Step 3: Cross multiply
    15,916.80x = 23,870.88 × 13,301.04
  4. Step 4: Simplify right side
    15,916.80x = 317,507,529.72
  5. Step 5: Solve for x
    x = 317,507,529.72/15,916.80
  6. Step 6: Final answer
    x = 19,947.95

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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.