Home / 15,670.55-23,511.78-9,434.99

Finding the Fourth Proportional to 15,670.55, 23,511.78 and 9,434.99

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Solution

The fourth proportional to 15,670.55, 23,511.78 and 9,434.99 is: 14,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.55 : 23,511.78 = 9,434.99 : x
  2. Step 2: Convert to fraction form
    15,670.55/23,511.78 = 9,434.99/x
  3. Step 3: Cross multiply
    15,670.55x = 23,511.78 × 9,434.99
  4. Step 4: Simplify right side
    15,670.55x = 221,833,291.62
  5. Step 5: Solve for x
    x = 221,833,291.62/15,670.55
  6. Step 6: Final answer
    x = 14,156.07

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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.