Home / 15,890.30-23,835.45-10,072.70

Finding the Fourth Proportional to 15,890.30, 23,835.45 and 10,072.70

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Solution

The fourth proportional to 15,890.30, 23,835.45 and 10,072.70 is: 15,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.30 : 23,835.45 = 10,072.70 : x
  2. Step 2: Convert to fraction form
    15,890.30/23,835.45 = 10,072.70/x
  3. Step 3: Cross multiply
    15,890.30x = 23,835.45 × 10,072.70
  4. Step 4: Simplify right side
    15,890.30x = 240,087,337.22
  5. Step 5: Solve for x
    x = 240,087,337.22/15,890.30
  6. Step 6: Final answer
    x = 15,109.05

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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.