Home / 14,490.07-21,776.63-8,570.18

Finding the Fourth Proportional to 14,490.07, 21,776.63 and 8,570.18

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Solution

The fourth proportional to 14,490.07, 21,776.63 and 8,570.18 is: 12,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.07 : 21,776.63 = 8,570.18 : x
  2. Step 2: Convert to fraction form
    14,490.07/21,776.63 = 8,570.18/x
  3. Step 3: Cross multiply
    14,490.07x = 21,776.63 × 8,570.18
  4. Step 4: Simplify right side
    14,490.07x = 186,629,557.80
  5. Step 5: Solve for x
    x = 186,629,557.80/14,490.07
  6. Step 6: Final answer
    x = 12,879.82

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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.