Home / 10,386.24-14,333.40-5,670.84

Finding the Fourth Proportional to 10,386.24, 14,333.40 and 5,670.84

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Solution

The fourth proportional to 10,386.24, 14,333.40 and 5,670.84 is: 7,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.24 : 14,333.40 = 5,670.84 : x
  2. Step 2: Convert to fraction form
    10,386.24/14,333.40 = 5,670.84/x
  3. Step 3: Cross multiply
    10,386.24x = 14,333.40 × 5,670.84
  4. Step 4: Simplify right side
    10,386.24x = 81,282,418.06
  5. Step 5: Solve for x
    x = 81,282,418.06/10,386.24
  6. Step 6: Final answer
    x = 7,825.97

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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.