Home / 21,208.93-31,818.55-6,417.01

Finding the Fourth Proportional to 21,208.93, 31,818.55 and 6,417.01

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Solution

The fourth proportional to 21,208.93, 31,818.55 and 6,417.01 is: 9,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208.93 : 31,818.55 = 6,417.01 : x
  2. Step 2: Convert to fraction form
    21,208.93/31,818.55 = 6,417.01/x
  3. Step 3: Cross multiply
    21,208.93x = 31,818.55 × 6,417.01
  4. Step 4: Simplify right side
    21,208.93x = 204,179,953.54
  5. Step 5: Solve for x
    x = 204,179,953.54/21,208.93
  6. Step 6: Final answer
    x = 9,627.07

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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.