Home / 10,847.36-14,969.40-6,864.32

Finding the Fourth Proportional to 10,847.36, 14,969.40 and 6,864.32

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Solution

The fourth proportional to 10,847.36, 14,969.40 and 6,864.32 is: 9,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.36 : 14,969.40 = 6,864.32 : x
  2. Step 2: Convert to fraction form
    10,847.36/14,969.40 = 6,864.32/x
  3. Step 3: Cross multiply
    10,847.36x = 14,969.40 × 6,864.32
  4. Step 4: Simplify right side
    10,847.36x = 102,754,751.81
  5. Step 5: Solve for x
    x = 102,754,751.81/10,847.36
  6. Step 6: Final answer
    x = 9,472.79

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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.