Home / 15,503.12-23,235.54-7,171.66

Finding the Fourth Proportional to 15,503.12, 23,235.54 and 7,171.66

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Solution

The fourth proportional to 15,503.12, 23,235.54 and 7,171.66 is: 10,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.12 : 23,235.54 = 7,171.66 : x
  2. Step 2: Convert to fraction form
    15,503.12/23,235.54 = 7,171.66/x
  3. Step 3: Cross multiply
    15,503.12x = 23,235.54 × 7,171.66
  4. Step 4: Simplify right side
    15,503.12x = 166,637,392.80
  5. Step 5: Solve for x
    x = 166,637,392.80/15,503.12
  6. Step 6: Final answer
    x = 10,748.64

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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.