Home / 17,870.17-26,805.66-6,782.08

Finding the Fourth Proportional to 17,870.17, 26,805.66 and 6,782.08

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Solution

The fourth proportional to 17,870.17, 26,805.66 and 6,782.08 is: 10,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.17 : 26,805.66 = 6,782.08 : x
  2. Step 2: Convert to fraction form
    17,870.17/26,805.66 = 6,782.08/x
  3. Step 3: Cross multiply
    17,870.17x = 26,805.66 × 6,782.08
  4. Step 4: Simplify right side
    17,870.17x = 181,798,130.57
  5. Step 5: Solve for x
    x = 181,798,130.57/17,870.17
  6. Step 6: Final answer
    x = 10,173.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.