Home / 15,214.98-20,844.12-14,646.40

Finding the Fourth Proportional to 15,214.98, 20,844.12 and 14,646.40

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Solution

The fourth proportional to 15,214.98, 20,844.12 and 14,646.40 is: 20,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.98 : 20,844.12 = 14,646.40 : x
  2. Step 2: Convert to fraction form
    15,214.98/20,844.12 = 14,646.40/x
  3. Step 3: Cross multiply
    15,214.98x = 20,844.12 × 14,646.40
  4. Step 4: Simplify right side
    15,214.98x = 305,291,319.17
  5. Step 5: Solve for x
    x = 305,291,319.17/15,214.98
  6. Step 6: Final answer
    x = 20,065.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.