Home / 15,709.04-23,557.16-7,808.72

Finding the Fourth Proportional to 15,709.04, 23,557.16 and 7,808.72

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Solution

The fourth proportional to 15,709.04, 23,557.16 and 7,808.72 is: 11,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.04 : 23,557.16 = 7,808.72 : x
  2. Step 2: Convert to fraction form
    15,709.04/23,557.16 = 7,808.72/x
  3. Step 3: Cross multiply
    15,709.04x = 23,557.16 × 7,808.72
  4. Step 4: Simplify right side
    15,709.04x = 183,951,266.44
  5. Step 5: Solve for x
    x = 183,951,266.44/15,709.04
  6. Step 6: Final answer
    x = 11,709.90

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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.