Home / 13,955.17-19,257.82-7,581.60

Finding the Fourth Proportional to 13,955.17, 19,257.82 and 7,581.60

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Solution

The fourth proportional to 13,955.17, 19,257.82 and 7,581.60 is: 10,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.17 : 19,257.82 = 7,581.60 : x
  2. Step 2: Convert to fraction form
    13,955.17/19,257.82 = 7,581.60/x
  3. Step 3: Cross multiply
    13,955.17x = 19,257.82 × 7,581.60
  4. Step 4: Simplify right side
    13,955.17x = 146,005,088.11
  5. Step 5: Solve for x
    x = 146,005,088.11/13,955.17
  6. Step 6: Final answer
    x = 10,462.44

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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.