Home / 13,253.93-18,293.09-7,875.34

Finding the Fourth Proportional to 13,253.93, 18,293.09 and 7,875.34

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Solution

The fourth proportional to 13,253.93, 18,293.09 and 7,875.34 is: 10,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.93 : 18,293.09 = 7,875.34 : x
  2. Step 2: Convert to fraction form
    13,253.93/18,293.09 = 7,875.34/x
  3. Step 3: Cross multiply
    13,253.93x = 18,293.09 × 7,875.34
  4. Step 4: Simplify right side
    13,253.93x = 144,064,365.49
  5. Step 5: Solve for x
    x = 144,064,365.49/13,253.93
  6. Step 6: Final answer
    x = 10,869.56

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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.