Home / 15,307.35-21,124.94-8,592.63

Finding the Fourth Proportional to 15,307.35, 21,124.94 and 8,592.63

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Solution

The fourth proportional to 15,307.35, 21,124.94 and 8,592.63 is: 11,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.35 : 21,124.94 = 8,592.63 : x
  2. Step 2: Convert to fraction form
    15,307.35/21,124.94 = 8,592.63/x
  3. Step 3: Cross multiply
    15,307.35x = 21,124.94 × 8,592.63
  4. Step 4: Simplify right side
    15,307.35x = 181,518,793.19
  5. Step 5: Solve for x
    x = 181,518,793.19/15,307.35
  6. Step 6: Final answer
    x = 11,858.28

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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.