Home / 14,774.95-20,387.98-10,308.31

Finding the Fourth Proportional to 14,774.95, 20,387.98 and 10,308.31

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Solution

The fourth proportional to 14,774.95, 20,387.98 and 10,308.31 is: 14,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.95 : 20,387.98 = 10,308.31 : x
  2. Step 2: Convert to fraction form
    14,774.95/20,387.98 = 10,308.31/x
  3. Step 3: Cross multiply
    14,774.95x = 20,387.98 × 10,308.31
  4. Step 4: Simplify right side
    14,774.95x = 210,165,580.03
  5. Step 5: Solve for x
    x = 210,165,580.03/14,774.95
  6. Step 6: Final answer
    x = 14,224.45

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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.