Home / 10,428.28-15,525.35-10,376.44

Finding the Fourth Proportional to 10,428.28, 15,525.35 and 10,376.44

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Solution

The fourth proportional to 10,428.28, 15,525.35 and 10,376.44 is: 15,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.28 : 15,525.35 = 10,376.44 : x
  2. Step 2: Convert to fraction form
    10,428.28/15,525.35 = 10,376.44/x
  3. Step 3: Cross multiply
    10,428.28x = 15,525.35 × 10,376.44
  4. Step 4: Simplify right side
    10,428.28x = 161,097,862.75
  5. Step 5: Solve for x
    x = 161,097,862.75/10,428.28
  6. Step 6: Final answer
    x = 15,448.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.