Home / 15,460.70-21,332.22-8,744.87

Finding the Fourth Proportional to 15,460.70, 21,332.22 and 8,744.87

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Solution

The fourth proportional to 15,460.70, 21,332.22 and 8,744.87 is: 12,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.70 : 21,332.22 = 8,744.87 : x
  2. Step 2: Convert to fraction form
    15,460.70/21,332.22 = 8,744.87/x
  3. Step 3: Cross multiply
    15,460.70x = 21,332.22 × 8,744.87
  4. Step 4: Simplify right side
    15,460.70x = 186,547,490.71
  5. Step 5: Solve for x
    x = 186,547,490.71/15,460.70
  6. Step 6: Final answer
    x = 12,065.91

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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.