Home / 10,054.46-13,875.40-5,578.28

Finding the Fourth Proportional to 10,054.46, 13,875.40 and 5,578.28

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Solution

The fourth proportional to 10,054.46, 13,875.40 and 5,578.28 is: 7,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.46 : 13,875.40 = 5,578.28 : x
  2. Step 2: Convert to fraction form
    10,054.46/13,875.40 = 5,578.28/x
  3. Step 3: Cross multiply
    10,054.46x = 13,875.40 × 5,578.28
  4. Step 4: Simplify right side
    10,054.46x = 77,400,866.31
  5. Step 5: Solve for x
    x = 77,400,866.31/10,054.46
  6. Step 6: Final answer
    x = 7,698.16

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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.