Home / 10,505.44-14,483.40-9,006.88

Finding the Fourth Proportional to 10,505.44, 14,483.40 and 9,006.88

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Solution

The fourth proportional to 10,505.44, 14,483.40 and 9,006.88 is: 12,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.44 : 14,483.40 = 9,006.88 : x
  2. Step 2: Convert to fraction form
    10,505.44/14,483.40 = 9,006.88/x
  3. Step 3: Cross multiply
    10,505.44x = 14,483.40 × 9,006.88
  4. Step 4: Simplify right side
    10,505.44x = 130,450,245.79
  5. Step 5: Solve for x
    x = 130,450,245.79/10,505.44
  6. Step 6: Final answer
    x = 12,417.40

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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.