Home / 21,395.07-32,070.73-7,350.89

Finding the Fourth Proportional to 21,395.07, 32,070.73 and 7,350.89

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Solution

The fourth proportional to 21,395.07, 32,070.73 and 7,350.89 is: 11,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.07 : 32,070.73 = 7,350.89 : x
  2. Step 2: Convert to fraction form
    21,395.07/32,070.73 = 7,350.89/x
  3. Step 3: Cross multiply
    21,395.07x = 32,070.73 × 7,350.89
  4. Step 4: Simplify right side
    21,395.07x = 235,748,248.10
  5. Step 5: Solve for x
    x = 235,748,248.10/21,395.07
  6. Step 6: Final answer
    x = 11,018.81

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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.