Home / 19,287.12-26,621.16-10,908.24

Finding the Fourth Proportional to 19,287.12, 26,621.16 and 10,908.24

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Solution

The fourth proportional to 19,287.12, 26,621.16 and 10,908.24 is: 15,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.12 : 26,621.16 = 10,908.24 : x
  2. Step 2: Convert to fraction form
    19,287.12/26,621.16 = 10,908.24/x
  3. Step 3: Cross multiply
    19,287.12x = 26,621.16 × 10,908.24
  4. Step 4: Simplify right side
    19,287.12x = 290,390,002.36
  5. Step 5: Solve for x
    x = 290,390,002.36/19,287.12
  6. Step 6: Final answer
    x = 15,056.16

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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.