Home / 15,323.10-21,142.08-9,352.59

Finding the Fourth Proportional to 15,323.10, 21,142.08 and 9,352.59

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Solution

The fourth proportional to 15,323.10, 21,142.08 and 9,352.59 is: 12,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.10 : 21,142.08 = 9,352.59 : x
  2. Step 2: Convert to fraction form
    15,323.10/21,142.08 = 9,352.59/x
  3. Step 3: Cross multiply
    15,323.10x = 21,142.08 × 9,352.59
  4. Step 4: Simplify right side
    15,323.10x = 197,733,205.99
  5. Step 5: Solve for x
    x = 197,733,205.99/15,323.10
  6. Step 6: Final answer
    x = 12,904.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.