Home / 14,920.08-22,374.56-4,387.28

Finding the Fourth Proportional to 14,920.08, 22,374.56 and 4,387.28

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Solution

The fourth proportional to 14,920.08, 22,374.56 and 4,387.28 is: 6,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.08 : 22,374.56 = 4,387.28 : x
  2. Step 2: Convert to fraction form
    14,920.08/22,374.56 = 4,387.28/x
  3. Step 3: Cross multiply
    14,920.08x = 22,374.56 × 4,387.28
  4. Step 4: Simplify right side
    14,920.08x = 98,163,459.60
  5. Step 5: Solve for x
    x = 98,163,459.60/14,920.08
  6. Step 6: Final answer
    x = 6,579.29

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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.