Home / 8,973.06-12,381.60-4,993.63

Finding the Fourth Proportional to 8,973.06, 12,381.60 and 4,993.63

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Solution

The fourth proportional to 8,973.06, 12,381.60 and 4,993.63 is: 6,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.06 : 12,381.60 = 4,993.63 : x
  2. Step 2: Convert to fraction form
    8,973.06/12,381.60 = 4,993.63/x
  3. Step 3: Cross multiply
    8,973.06x = 12,381.60 × 4,993.63
  4. Step 4: Simplify right side
    8,973.06x = 61,829,129.21
  5. Step 5: Solve for x
    x = 61,829,129.21/8,973.06
  6. Step 6: Final answer
    x = 6,890.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.