Home / 15,369.80-23,055.08-5,509.76

Finding the Fourth Proportional to 15,369.80, 23,055.08 and 5,509.76

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Solution

The fourth proportional to 15,369.80, 23,055.08 and 5,509.76 is: 8,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.80 : 23,055.08 = 5,509.76 : x
  2. Step 2: Convert to fraction form
    15,369.80/23,055.08 = 5,509.76/x
  3. Step 3: Cross multiply
    15,369.80x = 23,055.08 × 5,509.76
  4. Step 4: Simplify right side
    15,369.80x = 127,027,957.58
  5. Step 5: Solve for x
    x = 127,027,957.58/15,369.80
  6. Step 6: Final answer
    x = 8,264.78

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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.