Home / 15,483.32-21,370.38-10,178.63

Finding the Fourth Proportional to 15,483.32, 21,370.38 and 10,178.63

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Solution

The fourth proportional to 15,483.32, 21,370.38 and 10,178.63 is: 14,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.32 : 21,370.38 = 10,178.63 : x
  2. Step 2: Convert to fraction form
    15,483.32/21,370.38 = 10,178.63/x
  3. Step 3: Cross multiply
    15,483.32x = 21,370.38 × 10,178.63
  4. Step 4: Simplify right side
    15,483.32x = 217,521,183.35
  5. Step 5: Solve for x
    x = 217,521,183.35/15,483.32
  6. Step 6: Final answer
    x = 14,048.74

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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.