Home / 8,723.48-13,069.56-7,345.40

Finding the Fourth Proportional to 8,723.48, 13,069.56 and 7,345.40

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Solution

The fourth proportional to 8,723.48, 13,069.56 and 7,345.40 is: 11,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.48 : 13,069.56 = 7,345.40 : x
  2. Step 2: Convert to fraction form
    8,723.48/13,069.56 = 7,345.40/x
  3. Step 3: Cross multiply
    8,723.48x = 13,069.56 × 7,345.40
  4. Step 4: Simplify right side
    8,723.48x = 96,001,146.02
  5. Step 5: Solve for x
    x = 96,001,146.02/8,723.48
  6. Step 6: Final answer
    x = 11,004.91

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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.