Home / 10,295.84-14,208.32-5,580.16

Finding the Fourth Proportional to 10,295.84, 14,208.32 and 5,580.16

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Solution

The fourth proportional to 10,295.84, 14,208.32 and 5,580.16 is: 7,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.84 : 14,208.32 = 5,580.16 : x
  2. Step 2: Convert to fraction form
    10,295.84/14,208.32 = 5,580.16/x
  3. Step 3: Cross multiply
    10,295.84x = 14,208.32 × 5,580.16
  4. Step 4: Simplify right side
    10,295.84x = 79,284,698.93
  5. Step 5: Solve for x
    x = 79,284,698.93/10,295.84
  6. Step 6: Final answer
    x = 7,700.65

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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.