Home / 10,629.09-14,666.15-5,913.38

Finding the Fourth Proportional to 10,629.09, 14,666.15 and 5,913.38

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Solution

The fourth proportional to 10,629.09, 14,666.15 and 5,913.38 is: 8,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.09 : 14,666.15 = 5,913.38 : x
  2. Step 2: Convert to fraction form
    10,629.09/14,666.15 = 5,913.38/x
  3. Step 3: Cross multiply
    10,629.09x = 14,666.15 × 5,913.38
  4. Step 4: Simplify right side
    10,629.09x = 86,726,415.19
  5. Step 5: Solve for x
    x = 86,726,415.19/10,629.09
  6. Step 6: Final answer
    x = 8,159.35

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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.