Home / 14,055.23-19,400.25-9,278.66

Finding the Fourth Proportional to 14,055.23, 19,400.25 and 9,278.66

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Solution

The fourth proportional to 14,055.23, 19,400.25 and 9,278.66 is: 12,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.23 : 19,400.25 = 9,278.66 : x
  2. Step 2: Convert to fraction form
    14,055.23/19,400.25 = 9,278.66/x
  3. Step 3: Cross multiply
    14,055.23x = 19,400.25 × 9,278.66
  4. Step 4: Simplify right side
    14,055.23x = 180,008,323.67
  5. Step 5: Solve for x
    x = 180,008,323.67/14,055.23
  6. Step 6: Final answer
    x = 12,807.21

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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.