Home / 21,509.91-32,263.71-6,717.12

Finding the Fourth Proportional to 21,509.91, 32,263.71 and 6,717.12

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Solution

The fourth proportional to 21,509.91, 32,263.71 and 6,717.12 is: 10,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.91 : 32,263.71 = 6,717.12 : x
  2. Step 2: Convert to fraction form
    21,509.91/32,263.71 = 6,717.12/x
  3. Step 3: Cross multiply
    21,509.91x = 32,263.71 × 6,717.12
  4. Step 4: Simplify right side
    21,509.91x = 216,719,211.72
  5. Step 5: Solve for x
    x = 216,719,211.72/21,509.91
  6. Step 6: Final answer
    x = 10,075.32

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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.