Home / 15,681.14-23,479.59-8,270.18

Finding the Fourth Proportional to 15,681.14, 23,479.59 and 8,270.18

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Solution

The fourth proportional to 15,681.14, 23,479.59 and 8,270.18 is: 12,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.14 : 23,479.59 = 8,270.18 : x
  2. Step 2: Convert to fraction form
    15,681.14/23,479.59 = 8,270.18/x
  3. Step 3: Cross multiply
    15,681.14x = 23,479.59 × 8,270.18
  4. Step 4: Simplify right side
    15,681.14x = 194,180,435.63
  5. Step 5: Solve for x
    x = 194,180,435.63/15,681.14
  6. Step 6: Final answer
    x = 12,383.06

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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.