Home / 15,744.19-21,728.96-9,029.67

Finding the Fourth Proportional to 15,744.19, 21,728.96 and 9,029.67

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Solution

The fourth proportional to 15,744.19, 21,728.96 and 9,029.67 is: 12,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,744.19 : 21,728.96 = 9,029.67 : x
  2. Step 2: Convert to fraction form
    15,744.19/21,728.96 = 9,029.67/x
  3. Step 3: Cross multiply
    15,744.19x = 21,728.96 × 9,029.67
  4. Step 4: Simplify right side
    15,744.19x = 196,205,312.24
  5. Step 5: Solve for x
    x = 196,205,312.24/15,744.19
  6. Step 6: Final answer
    x = 12,462.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.