Home / 15,888.24-21,925.68-9,173.76

Finding the Fourth Proportional to 15,888.24, 21,925.68 and 9,173.76

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Solution

The fourth proportional to 15,888.24, 21,925.68 and 9,173.76 is: 12,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.24 : 21,925.68 = 9,173.76 : x
  2. Step 2: Convert to fraction form
    15,888.24/21,925.68 = 9,173.76/x
  3. Step 3: Cross multiply
    15,888.24x = 21,925.68 × 9,173.76
  4. Step 4: Simplify right side
    15,888.24x = 201,140,926.16
  5. Step 5: Solve for x
    x = 201,140,926.16/15,888.24
  6. Step 6: Final answer
    x = 12,659.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.