Home / 10,920.19-15,068.90-6,073.99

Finding the Fourth Proportional to 10,920.19, 15,068.90 and 6,073.99

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Solution

The fourth proportional to 10,920.19, 15,068.90 and 6,073.99 is: 8,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.19 : 15,068.90 = 6,073.99 : x
  2. Step 2: Convert to fraction form
    10,920.19/15,068.90 = 6,073.99/x
  3. Step 3: Cross multiply
    10,920.19x = 15,068.90 × 6,073.99
  4. Step 4: Simplify right side
    10,920.19x = 91,528,347.91
  5. Step 5: Solve for x
    x = 91,528,347.91/10,920.19
  6. Step 6: Final answer
    x = 8,381.57

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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.