Home / 14,347.26-21,515.76-4,985.55

Finding the Fourth Proportional to 14,347.26, 21,515.76 and 4,985.55

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Solution

The fourth proportional to 14,347.26, 21,515.76 and 4,985.55 is: 7,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.26 : 21,515.76 = 4,985.55 : x
  2. Step 2: Convert to fraction form
    14,347.26/21,515.76 = 4,985.55/x
  3. Step 3: Cross multiply
    14,347.26x = 21,515.76 × 4,985.55
  4. Step 4: Simplify right side
    14,347.26x = 107,267,897.27
  5. Step 5: Solve for x
    x = 107,267,897.27/14,347.26
  6. Step 6: Final answer
    x = 7,476.54

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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.