Home / 13,459.28-18,554.56-9,468.01

Finding the Fourth Proportional to 13,459.28, 18,554.56 and 9,468.01

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Solution

The fourth proportional to 13,459.28, 18,554.56 and 9,468.01 is: 13,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.28 : 18,554.56 = 9,468.01 : x
  2. Step 2: Convert to fraction form
    13,459.28/18,554.56 = 9,468.01/x
  3. Step 3: Cross multiply
    13,459.28x = 18,554.56 × 9,468.01
  4. Step 4: Simplify right side
    13,459.28x = 175,674,689.57
  5. Step 5: Solve for x
    x = 175,674,689.57/13,459.28
  6. Step 6: Final answer
    x = 13,052.31

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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.