Home / 15,307.45-21,124.06-8,592.46

Finding the Fourth Proportional to 15,307.45, 21,124.06 and 8,592.46

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Solution

The fourth proportional to 15,307.45, 21,124.06 and 8,592.46 is: 11,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.45 : 21,124.06 = 8,592.46 : x
  2. Step 2: Convert to fraction form
    15,307.45/21,124.06 = 8,592.46/x
  3. Step 3: Cross multiply
    15,307.45x = 21,124.06 × 8,592.46
  4. Step 4: Simplify right side
    15,307.45x = 181,507,566.30
  5. Step 5: Solve for x
    x = 181,507,566.30/15,307.45
  6. Step 6: Final answer
    x = 11,857.47

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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.