Home / 21,332.51-31,998.96-6,541.50

Finding the Fourth Proportional to 21,332.51, 31,998.96 and 6,541.50

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Solution

The fourth proportional to 21,332.51, 31,998.96 and 6,541.50 is: 9,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.51 : 31,998.96 = 6,541.50 : x
  2. Step 2: Convert to fraction form
    21,332.51/31,998.96 = 6,541.50/x
  3. Step 3: Cross multiply
    21,332.51x = 31,998.96 × 6,541.50
  4. Step 4: Simplify right side
    21,332.51x = 209,321,196.84
  5. Step 5: Solve for x
    x = 209,321,196.84/21,332.51
  6. Step 6: Final answer
    x = 9,812.31

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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.