Home / 15,888.42-23,794.74-12,590.82

Finding the Fourth Proportional to 15,888.42, 23,794.74 and 12,590.82

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Solution

The fourth proportional to 15,888.42, 23,794.74 and 12,590.82 is: 18,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,888.42 : 23,794.74 = 12,590.82 : x
  2. Step 2: Convert to fraction form
    15,888.42/23,794.74 = 12,590.82/x
  3. Step 3: Cross multiply
    15,888.42x = 23,794.74 × 12,590.82
  4. Step 4: Simplify right side
    15,888.42x = 299,595,288.29
  5. Step 5: Solve for x
    x = 299,595,288.29/15,888.42
  6. Step 6: Final answer
    x = 18,856.20

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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.