Home / 15,434.72-21,292.96-9,061.70

Finding the Fourth Proportional to 15,434.72, 21,292.96 and 9,061.70

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Solution

The fourth proportional to 15,434.72, 21,292.96 and 9,061.70 is: 12,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.72 : 21,292.96 = 9,061.70 : x
  2. Step 2: Convert to fraction form
    15,434.72/21,292.96 = 9,061.70/x
  3. Step 3: Cross multiply
    15,434.72x = 21,292.96 × 9,061.70
  4. Step 4: Simplify right side
    15,434.72x = 192,950,370.32
  5. Step 5: Solve for x
    x = 192,950,370.32/15,434.72
  6. Step 6: Final answer
    x = 12,501.06

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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.