Home / 13,345.34-20,030.97-9,671.18

Finding the Fourth Proportional to 13,345.34, 20,030.97 and 9,671.18

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Solution

The fourth proportional to 13,345.34, 20,030.97 and 9,671.18 is: 14,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.34 : 20,030.97 = 9,671.18 : x
  2. Step 2: Convert to fraction form
    13,345.34/20,030.97 = 9,671.18/x
  3. Step 3: Cross multiply
    13,345.34x = 20,030.97 × 9,671.18
  4. Step 4: Simplify right side
    13,345.34x = 193,723,116.44
  5. Step 5: Solve for x
    x = 193,723,116.44/13,345.34
  6. Step 6: Final answer
    x = 14,516.16

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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.