Home / 21,302.16-31,953.24-6,510.28

Finding the Fourth Proportional to 21,302.16, 31,953.24 and 6,510.28

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Solution

The fourth proportional to 21,302.16, 31,953.24 and 6,510.28 is: 9,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302.16 : 31,953.24 = 6,510.28 : x
  2. Step 2: Convert to fraction form
    21,302.16/31,953.24 = 6,510.28/x
  3. Step 3: Cross multiply
    21,302.16x = 31,953.24 × 6,510.28
  4. Step 4: Simplify right side
    21,302.16x = 208,024,539.31
  5. Step 5: Solve for x
    x = 208,024,539.31/21,302.16
  6. Step 6: Final answer
    x = 9,765.42

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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.