Home / 15,695.73-21,603.77-14,200.47

Finding the Fourth Proportional to 15,695.73, 21,603.77 and 14,200.47

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Solution

The fourth proportional to 15,695.73, 21,603.77 and 14,200.47 is: 19,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.73 : 21,603.77 = 14,200.47 : x
  2. Step 2: Convert to fraction form
    15,695.73/21,603.77 = 14,200.47/x
  3. Step 3: Cross multiply
    15,695.73x = 21,603.77 × 14,200.47
  4. Step 4: Simplify right side
    15,695.73x = 306,783,508.75
  5. Step 5: Solve for x
    x = 306,783,508.75/15,695.73
  6. Step 6: Final answer
    x = 19,545.67

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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.