Home / 14,681.31-20,260.22-8,307.77

Finding the Fourth Proportional to 14,681.31, 20,260.22 and 8,307.77

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Solution

The fourth proportional to 14,681.31, 20,260.22 and 8,307.77 is: 11,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.31 : 20,260.22 = 8,307.77 : x
  2. Step 2: Convert to fraction form
    14,681.31/20,260.22 = 8,307.77/x
  3. Step 3: Cross multiply
    14,681.31x = 20,260.22 × 8,307.77
  4. Step 4: Simplify right side
    14,681.31x = 168,317,146.61
  5. Step 5: Solve for x
    x = 168,317,146.61/14,681.31
  6. Step 6: Final answer
    x = 11,464.72

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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.