Home / 16,505.16-22,778.70-9,430.23

Finding the Fourth Proportional to 16,505.16, 22,778.70 and 9,430.23

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Solution

The fourth proportional to 16,505.16, 22,778.70 and 9,430.23 is: 13,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,505.16 : 22,778.70 = 9,430.23 : x
  2. Step 2: Convert to fraction form
    16,505.16/22,778.70 = 9,430.23/x
  3. Step 3: Cross multiply
    16,505.16x = 22,778.70 × 9,430.23
  4. Step 4: Simplify right side
    16,505.16x = 214,808,380.10
  5. Step 5: Solve for x
    x = 214,808,380.10/16,505.16
  6. Step 6: Final answer
    x = 13,014.62

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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.