Home / 13,113.52-18,094.54-7,808.20

Finding the Fourth Proportional to 13,113.52, 18,094.54 and 7,808.20

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Solution

The fourth proportional to 13,113.52, 18,094.54 and 7,808.20 is: 10,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.52 : 18,094.54 = 7,808.20 : x
  2. Step 2: Convert to fraction form
    13,113.52/18,094.54 = 7,808.20/x
  3. Step 3: Cross multiply
    13,113.52x = 18,094.54 × 7,808.20
  4. Step 4: Simplify right side
    13,113.52x = 141,285,787.23
  5. Step 5: Solve for x
    x = 141,285,787.23/13,113.52
  6. Step 6: Final answer
    x = 10,774.06

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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.