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Finding the Fourth Proportional to 8,802.36, 13,125.96 and 8,723.40

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Solution

The fourth proportional to 8,802.36, 13,125.96 and 8,723.40 is: 13,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.36 : 13,125.96 = 8,723.40 : x
  2. Step 2: Convert to fraction form
    8,802.36/13,125.96 = 8,723.40/x
  3. Step 3: Cross multiply
    8,802.36x = 13,125.96 × 8,723.40
  4. Step 4: Simplify right side
    8,802.36x = 114,502,999.46
  5. Step 5: Solve for x
    x = 114,502,999.46/8,802.36
  6. Step 6: Final answer
    x = 13,008.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.