Home / 10,435.50-15,653.28-3,040.14

Finding the Fourth Proportional to 10,435.50, 15,653.28 and 3,040.14

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Solution

The fourth proportional to 10,435.50, 15,653.28 and 3,040.14 is: 4,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.50 : 15,653.28 = 3,040.14 : x
  2. Step 2: Convert to fraction form
    10,435.50/15,653.28 = 3,040.14/x
  3. Step 3: Cross multiply
    10,435.50x = 15,653.28 × 3,040.14
  4. Step 4: Simplify right side
    10,435.50x = 47,588,069.19
  5. Step 5: Solve for x
    x = 47,588,069.19/10,435.50
  6. Step 6: Final answer
    x = 4,560.21

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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.