Home / 13,018.23-17,966.75-7,353.23

Finding the Fourth Proportional to 13,018.23, 17,966.75 and 7,353.23

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Solution

The fourth proportional to 13,018.23, 17,966.75 and 7,353.23 is: 10,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.23 : 17,966.75 = 7,353.23 : x
  2. Step 2: Convert to fraction form
    13,018.23/17,966.75 = 7,353.23/x
  3. Step 3: Cross multiply
    13,018.23x = 17,966.75 × 7,353.23
  4. Step 4: Simplify right side
    13,018.23x = 132,113,518.50
  5. Step 5: Solve for x
    x = 132,113,518.50/13,018.23
  6. Step 6: Final answer
    x = 10,148.35

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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.