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Finding the Fourth Proportional to 9,999.04, 14,997.48 and 5,602.72

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Solution

The fourth proportional to 9,999.04, 14,997.48 and 5,602.72 is: 8,403.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.04 : 14,997.48 = 5,602.72 : x
  2. Step 2: Convert to fraction form
    9,999.04/14,997.48 = 5,602.72/x
  3. Step 3: Cross multiply
    9,999.04x = 14,997.48 × 5,602.72
  4. Step 4: Simplify right side
    9,999.04x = 84,026,681.15
  5. Step 5: Solve for x
    x = 84,026,681.15/9,999.04
  6. Step 6: Final answer
    x = 8,403.47

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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.