Home / 14,403.02-21,604.12-7,870.57

Finding the Fourth Proportional to 14,403.02, 21,604.12 and 7,870.57

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Solution

The fourth proportional to 14,403.02, 21,604.12 and 7,870.57 is: 11,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.02 : 21,604.12 = 7,870.57 : x
  2. Step 2: Convert to fraction form
    14,403.02/21,604.12 = 7,870.57/x
  3. Step 3: Cross multiply
    14,403.02x = 21,604.12 × 7,870.57
  4. Step 4: Simplify right side
    14,403.02x = 170,036,665.06
  5. Step 5: Solve for x
    x = 170,036,665.06/14,403.02
  6. Step 6: Final answer
    x = 11,805.63

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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.