Home / 15,356.69-21,200.23-10,347.24

Finding the Fourth Proportional to 15,356.69, 21,200.23 and 10,347.24

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Solution

The fourth proportional to 15,356.69, 21,200.23 and 10,347.24 is: 14,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.69 : 21,200.23 = 10,347.24 : x
  2. Step 2: Convert to fraction form
    15,356.69/21,200.23 = 10,347.24/x
  3. Step 3: Cross multiply
    15,356.69x = 21,200.23 × 10,347.24
  4. Step 4: Simplify right side
    15,356.69x = 219,363,960.30
  5. Step 5: Solve for x
    x = 219,363,960.30/15,356.69
  6. Step 6: Final answer
    x = 14,284.59

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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.