Home / 14,277.21-19,697.76-8,307.60

Finding the Fourth Proportional to 14,277.21, 19,697.76 and 8,307.60

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Solution

The fourth proportional to 14,277.21, 19,697.76 and 8,307.60 is: 11,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.21 : 19,697.76 = 8,307.60 : x
  2. Step 2: Convert to fraction form
    14,277.21/19,697.76 = 8,307.60/x
  3. Step 3: Cross multiply
    14,277.21x = 19,697.76 × 8,307.60
  4. Step 4: Simplify right side
    14,277.21x = 163,641,110.98
  5. Step 5: Solve for x
    x = 163,641,110.98/14,277.21
  6. Step 6: Final answer
    x = 11,461.70

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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.