Home / 13,261.83-18,300.65-7,293.35

Finding the Fourth Proportional to 13,261.83, 18,300.65 and 7,293.35

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Solution

The fourth proportional to 13,261.83, 18,300.65 and 7,293.35 is: 10,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.83 : 18,300.65 = 7,293.35 : x
  2. Step 2: Convert to fraction form
    13,261.83/18,300.65 = 7,293.35/x
  3. Step 3: Cross multiply
    13,261.83x = 18,300.65 × 7,293.35
  4. Step 4: Simplify right side
    13,261.83x = 133,472,917.71
  5. Step 5: Solve for x
    x = 133,472,917.71/13,261.83
  6. Step 6: Final answer
    x = 10,064.44

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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.