Home / 9,447.21-14,158.40-3,897.47

Finding the Fourth Proportional to 9,447.21, 14,158.40 and 3,897.47

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Solution

The fourth proportional to 9,447.21, 14,158.40 and 3,897.47 is: 5,841.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.21 : 14,158.40 = 3,897.47 : x
  2. Step 2: Convert to fraction form
    9,447.21/14,158.40 = 3,897.47/x
  3. Step 3: Cross multiply
    9,447.21x = 14,158.40 × 3,897.47
  4. Step 4: Simplify right side
    9,447.21x = 55,181,875.52
  5. Step 5: Solve for x
    x = 55,181,875.52/9,447.21
  6. Step 6: Final answer
    x = 5,841.08

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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.