Home / 9,356.40-14,036.55-3,118.35

Finding the Fourth Proportional to 9,356.40, 14,036.55 and 3,118.35

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Solution

The fourth proportional to 9,356.40, 14,036.55 and 3,118.35 is: 4,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.40 : 14,036.55 = 3,118.35 : x
  2. Step 2: Convert to fraction form
    9,356.40/14,036.55 = 3,118.35/x
  3. Step 3: Cross multiply
    9,356.40x = 14,036.55 × 3,118.35
  4. Step 4: Simplify right side
    9,356.40x = 43,770,875.69
  5. Step 5: Solve for x
    x = 43,770,875.69/9,356.40
  6. Step 6: Final answer
    x = 4,678.17

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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.