Home / 15,051.35-20,774.27-9,385.00

Finding the Fourth Proportional to 15,051.35, 20,774.27 and 9,385.00

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Solution

The fourth proportional to 15,051.35, 20,774.27 and 9,385.00 is: 12,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.35 : 20,774.27 = 9,385.00 : x
  2. Step 2: Convert to fraction form
    15,051.35/20,774.27 = 9,385.00/x
  3. Step 3: Cross multiply
    15,051.35x = 20,774.27 × 9,385.00
  4. Step 4: Simplify right side
    15,051.35x = 194,966,495.48
  5. Step 5: Solve for x
    x = 194,966,495.48/15,051.35
  6. Step 6: Final answer
    x = 12,953.42

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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.