Home / 21,066.08-31,598.81-6,275.07

Finding the Fourth Proportional to 21,066.08, 31,598.81 and 6,275.07

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Solution

The fourth proportional to 21,066.08, 31,598.81 and 6,275.07 is: 9,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.08 : 31,598.81 = 6,275.07 : x
  2. Step 2: Convert to fraction form
    21,066.08/31,598.81 = 6,275.07/x
  3. Step 3: Cross multiply
    21,066.08x = 31,598.81 × 6,275.07
  4. Step 4: Simplify right side
    21,066.08x = 198,284,736.82
  5. Step 5: Solve for x
    x = 198,284,736.82/21,066.08
  6. Step 6: Final answer
    x = 9,412.51

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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.