Home / 31,897.07-47,855.85-9,714.74

Finding the Fourth Proportional to 31,897.07, 47,855.85 and 9,714.74

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Solution

The fourth proportional to 31,897.07, 47,855.85 and 9,714.74 is: 14,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.07 : 47,855.85 = 9,714.74 : x
  2. Step 2: Convert to fraction form
    31,897.07/47,855.85 = 9,714.74/x
  3. Step 3: Cross multiply
    31,897.07x = 47,855.85 × 9,714.74
  4. Step 4: Simplify right side
    31,897.07x = 464,907,140.23
  5. Step 5: Solve for x
    x = 464,907,140.23/31,897.07
  6. Step 6: Final answer
    x = 14,575.23

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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.