Home / 15,244.93-21,038.09-8,530.57

Finding the Fourth Proportional to 15,244.93, 21,038.09 and 8,530.57

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Solution

The fourth proportional to 15,244.93, 21,038.09 and 8,530.57 is: 11,772.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.93 : 21,038.09 = 8,530.57 : x
  2. Step 2: Convert to fraction form
    15,244.93/21,038.09 = 8,530.57/x
  3. Step 3: Cross multiply
    15,244.93x = 21,038.09 × 8,530.57
  4. Step 4: Simplify right side
    15,244.93x = 179,466,899.41
  5. Step 5: Solve for x
    x = 179,466,899.41/15,244.93
  6. Step 6: Final answer
    x = 11,772.24

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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.