Home / 19,345-26,697.18-10,964.20

Finding the Fourth Proportional to 19,345, 26,697.18 and 10,964.20

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Solution

The fourth proportional to 19,345, 26,697.18 and 10,964.20 is: 15,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345 : 26,697.18 = 10,964.20 : x
  2. Step 2: Convert to fraction form
    19,345/26,697.18 = 10,964.20/x
  3. Step 3: Cross multiply
    19,345x = 26,697.18 × 10,964.20
  4. Step 4: Simplify right side
    19,345x = 292,713,220.96
  5. Step 5: Solve for x
    x = 292,713,220.96/19,345
  6. Step 6: Final answer
    x = 15,131.21

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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.