Home / 10,440.36-14,393.70-6,902.28

Finding the Fourth Proportional to 10,440.36, 14,393.70 and 6,902.28

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Solution

The fourth proportional to 10,440.36, 14,393.70 and 6,902.28 is: 9,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.36 : 14,393.70 = 6,902.28 : x
  2. Step 2: Convert to fraction form
    10,440.36/14,393.70 = 6,902.28/x
  3. Step 3: Cross multiply
    10,440.36x = 14,393.70 × 6,902.28
  4. Step 4: Simplify right side
    10,440.36x = 99,349,347.64
  5. Step 5: Solve for x
    x = 99,349,347.64/10,440.36
  6. Step 6: Final answer
    x = 9,515.89

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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.