Home / 21,356.36-32,012.26-7,312.24

Finding the Fourth Proportional to 21,356.36, 32,012.26 and 7,312.24

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Solution

The fourth proportional to 21,356.36, 32,012.26 and 7,312.24 is: 10,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,356.36 : 32,012.26 = 7,312.24 : x
  2. Step 2: Convert to fraction form
    21,356.36/32,012.26 = 7,312.24/x
  3. Step 3: Cross multiply
    21,356.36x = 32,012.26 × 7,312.24
  4. Step 4: Simplify right side
    21,356.36x = 234,081,328.06
  5. Step 5: Solve for x
    x = 234,081,328.06/21,356.36
  6. Step 6: Final answer
    x = 10,960.73

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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.