Home / 18,908.72-26,095.32-10,953.20

Finding the Fourth Proportional to 18,908.72, 26,095.32 and 10,953.20

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Solution

The fourth proportional to 18,908.72, 26,095.32 and 10,953.20 is: 15,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.72 : 26,095.32 = 10,953.20 : x
  2. Step 2: Convert to fraction form
    18,908.72/26,095.32 = 10,953.20/x
  3. Step 3: Cross multiply
    18,908.72x = 26,095.32 × 10,953.20
  4. Step 4: Simplify right side
    18,908.72x = 285,827,259.02
  5. Step 5: Solve for x
    x = 285,827,259.02/18,908.72
  6. Step 6: Final answer
    x = 15,116.16

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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.