Home / 15,346.40-23,012.20-9,107.20

Finding the Fourth Proportional to 15,346.40, 23,012.20 and 9,107.20

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Solution

The fourth proportional to 15,346.40, 23,012.20 and 9,107.20 is: 13,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.40 : 23,012.20 = 9,107.20 : x
  2. Step 2: Convert to fraction form
    15,346.40/23,012.20 = 9,107.20/x
  3. Step 3: Cross multiply
    15,346.40x = 23,012.20 × 9,107.20
  4. Step 4: Simplify right side
    15,346.40x = 209,576,707.84
  5. Step 5: Solve for x
    x = 209,576,707.84/15,346.40
  6. Step 6: Final answer
    x = 13,656.41

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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.