Home / 10,329.84-15,501.36-3,755.40

Finding the Fourth Proportional to 10,329.84, 15,501.36 and 3,755.40

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Solution

The fourth proportional to 10,329.84, 15,501.36 and 3,755.40 is: 5,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.84 : 15,501.36 = 3,755.40 : x
  2. Step 2: Convert to fraction form
    10,329.84/15,501.36 = 3,755.40/x
  3. Step 3: Cross multiply
    10,329.84x = 15,501.36 × 3,755.40
  4. Step 4: Simplify right side
    10,329.84x = 58,213,807.34
  5. Step 5: Solve for x
    x = 58,213,807.34/10,329.84
  6. Step 6: Final answer
    x = 5,635.50

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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.