Home / 14,920.61-22,360.74-5,681.57

Finding the Fourth Proportional to 14,920.61, 22,360.74 and 5,681.57

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Solution

The fourth proportional to 14,920.61, 22,360.74 and 5,681.57 is: 8,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.61 : 22,360.74 = 5,681.57 : x
  2. Step 2: Convert to fraction form
    14,920.61/22,360.74 = 5,681.57/x
  3. Step 3: Cross multiply
    14,920.61x = 22,360.74 × 5,681.57
  4. Step 4: Simplify right side
    14,920.61x = 127,044,109.56
  5. Step 5: Solve for x
    x = 127,044,109.56/14,920.61
  6. Step 6: Final answer
    x = 8,514.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.