Home / 13,358.84-18,434.10-7,693.28

Finding the Fourth Proportional to 13,358.84, 18,434.10 and 7,693.28

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Solution

The fourth proportional to 13,358.84, 18,434.10 and 7,693.28 is: 10,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.84 : 18,434.10 = 7,693.28 : x
  2. Step 2: Convert to fraction form
    13,358.84/18,434.10 = 7,693.28/x
  3. Step 3: Cross multiply
    13,358.84x = 18,434.10 × 7,693.28
  4. Step 4: Simplify right side
    13,358.84x = 141,818,692.85
  5. Step 5: Solve for x
    x = 141,818,692.85/13,358.84
  6. Step 6: Final answer
    x = 10,616.09

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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.