Home / 14,079.95-19,430.32-7,706.54

Finding the Fourth Proportional to 14,079.95, 19,430.32 and 7,706.54

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Solution

The fourth proportional to 14,079.95, 19,430.32 and 7,706.54 is: 10,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.95 : 19,430.32 = 7,706.54 : x
  2. Step 2: Convert to fraction form
    14,079.95/19,430.32 = 7,706.54/x
  3. Step 3: Cross multiply
    14,079.95x = 19,430.32 × 7,706.54
  4. Step 4: Simplify right side
    14,079.95x = 149,740,538.29
  5. Step 5: Solve for x
    x = 149,740,538.29/14,079.95
  6. Step 6: Final answer
    x = 10,635.02

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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.