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Finding the Fourth Proportional to 10,954.58, 16,439.16 and 9,030.02

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Solution

The fourth proportional to 10,954.58, 16,439.16 and 9,030.02 is: 13,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.58 : 16,439.16 = 9,030.02 : x
  2. Step 2: Convert to fraction form
    10,954.58/16,439.16 = 9,030.02/x
  3. Step 3: Cross multiply
    10,954.58x = 16,439.16 × 9,030.02
  4. Step 4: Simplify right side
    10,954.58x = 148,445,943.58
  5. Step 5: Solve for x
    x = 148,445,943.58/10,954.58
  6. Step 6: Final answer
    x = 13,551.04

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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.