Home / 10,853.44-14,980.83-6,605.17

Finding the Fourth Proportional to 10,853.44, 14,980.83 and 6,605.17

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Solution

The fourth proportional to 10,853.44, 14,980.83 and 6,605.17 is: 9,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.44 : 14,980.83 = 6,605.17 : x
  2. Step 2: Convert to fraction form
    10,853.44/14,980.83 = 6,605.17/x
  3. Step 3: Cross multiply
    10,853.44x = 14,980.83 × 6,605.17
  4. Step 4: Simplify right side
    10,853.44x = 98,950,928.89
  5. Step 5: Solve for x
    x = 98,950,928.89/10,853.44
  6. Step 6: Final answer
    x = 9,117.01

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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.