Home / 10,393.79-14,342.58-5,678.06

Finding the Fourth Proportional to 10,393.79, 14,342.58 and 5,678.06

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Solution

The fourth proportional to 10,393.79, 14,342.58 and 5,678.06 is: 7,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.79 : 14,342.58 = 5,678.06 : x
  2. Step 2: Convert to fraction form
    10,393.79/14,342.58 = 5,678.06/x
  3. Step 3: Cross multiply
    10,393.79x = 14,342.58 × 5,678.06
  4. Step 4: Simplify right side
    10,393.79x = 81,437,958.08
  5. Step 5: Solve for x
    x = 81,437,958.08/10,393.79
  6. Step 6: Final answer
    x = 7,835.26

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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.