Home / 10,425.16-14,386.26-5,709.16

Finding the Fourth Proportional to 10,425.16, 14,386.26 and 5,709.16

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Solution

The fourth proportional to 10,425.16, 14,386.26 and 5,709.16 is: 7,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.16 : 14,386.26 = 5,709.16 : x
  2. Step 2: Convert to fraction form
    10,425.16/14,386.26 = 5,709.16/x
  3. Step 3: Cross multiply
    10,425.16x = 14,386.26 × 5,709.16
  4. Step 4: Simplify right side
    10,425.16x = 82,133,460.14
  5. Step 5: Solve for x
    x = 82,133,460.14/10,425.16
  6. Step 6: Final answer
    x = 7,878.39

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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.