Home / 15,573.07-21,491.34-8,858.52

Finding the Fourth Proportional to 15,573.07, 21,491.34 and 8,858.52

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Solution

The fourth proportional to 15,573.07, 21,491.34 and 8,858.52 is: 12,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.07 : 21,491.34 = 8,858.52 : x
  2. Step 2: Convert to fraction form
    15,573.07/21,491.34 = 8,858.52/x
  3. Step 3: Cross multiply
    15,573.07x = 21,491.34 × 8,858.52
  4. Step 4: Simplify right side
    15,573.07x = 190,381,465.22
  5. Step 5: Solve for x
    x = 190,381,465.22/15,573.07
  6. Step 6: Final answer
    x = 12,225.04

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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.