Home / 13,971.16-19,264.45-10,187.65

Finding the Fourth Proportional to 13,971.16, 19,264.45 and 10,187.65

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Solution

The fourth proportional to 13,971.16, 19,264.45 and 10,187.65 is: 14,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.16 : 19,264.45 = 10,187.65 : x
  2. Step 2: Convert to fraction form
    13,971.16/19,264.45 = 10,187.65/x
  3. Step 3: Cross multiply
    13,971.16x = 19,264.45 × 10,187.65
  4. Step 4: Simplify right side
    13,971.16x = 196,259,474.04
  5. Step 5: Solve for x
    x = 196,259,474.04/13,971.16
  6. Step 6: Final answer
    x = 14,047.47

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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.