Home / 10,385.84-15,504.77-10,021.32

Finding the Fourth Proportional to 10,385.84, 15,504.77 and 10,021.32

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Solution

The fourth proportional to 10,385.84, 15,504.77 and 10,021.32 is: 14,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.84 : 15,504.77 = 10,021.32 : x
  2. Step 2: Convert to fraction form
    10,385.84/15,504.77 = 10,021.32/x
  3. Step 3: Cross multiply
    10,385.84x = 15,504.77 × 10,021.32
  4. Step 4: Simplify right side
    10,385.84x = 155,378,261.70
  5. Step 5: Solve for x
    x = 155,378,261.70/10,385.84
  6. Step 6: Final answer
    x = 14,960.59

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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.