Home / 43,345.16-65,006.40-12,173.12

Finding the Fourth Proportional to 43,345.16, 65,006.40 and 12,173.12

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Solution

The fourth proportional to 43,345.16, 65,006.40 and 12,173.12 is: 18,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.16 : 65,006.40 = 12,173.12 : x
  2. Step 2: Convert to fraction form
    43,345.16/65,006.40 = 12,173.12/x
  3. Step 3: Cross multiply
    43,345.16x = 65,006.40 × 12,173.12
  4. Step 4: Simplify right side
    43,345.16x = 791,330,707.97
  5. Step 5: Solve for x
    x = 791,330,707.97/43,345.16
  6. Step 6: Final answer
    x = 18,256.50

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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.