Home / 10,419.07-14,378.33-5,703.36

Finding the Fourth Proportional to 10,419.07, 14,378.33 and 5,703.36

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Solution

The fourth proportional to 10,419.07, 14,378.33 and 5,703.36 is: 7,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.07 : 14,378.33 = 5,703.36 : x
  2. Step 2: Convert to fraction form
    10,419.07/14,378.33 = 5,703.36/x
  3. Step 3: Cross multiply
    10,419.07x = 14,378.33 × 5,703.36
  4. Step 4: Simplify right side
    10,419.07x = 82,004,792.19
  5. Step 5: Solve for x
    x = 82,004,792.19/10,419.07
  6. Step 6: Final answer
    x = 7,870.64

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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.