Home / 10,439.70-14,412.33-7,100.34

Finding the Fourth Proportional to 10,439.70, 14,412.33 and 7,100.34

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Solution

The fourth proportional to 10,439.70, 14,412.33 and 7,100.34 is: 9,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.70 : 14,412.33 = 7,100.34 : x
  2. Step 2: Convert to fraction form
    10,439.70/14,412.33 = 7,100.34/x
  3. Step 3: Cross multiply
    10,439.70x = 14,412.33 × 7,100.34
  4. Step 4: Simplify right side
    10,439.70x = 102,332,443.19
  5. Step 5: Solve for x
    x = 102,332,443.19/10,439.70
  6. Step 6: Final answer
    x = 9,802.24

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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.