Home / 20,967.61-28,944.95-13,014.52

Finding the Fourth Proportional to 20,967.61, 28,944.95 and 13,014.52

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Solution

The fourth proportional to 20,967.61, 28,944.95 and 13,014.52 is: 17,966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967.61 : 28,944.95 = 13,014.52 : x
  2. Step 2: Convert to fraction form
    20,967.61/28,944.95 = 13,014.52/x
  3. Step 3: Cross multiply
    20,967.61x = 28,944.95 × 13,014.52
  4. Step 4: Simplify right side
    20,967.61x = 376,704,656.05
  5. Step 5: Solve for x
    x = 376,704,656.05/20,967.61
  6. Step 6: Final answer
    x = 17,966.03

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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.