Home / 10,386.03-14,339.60-6,412.98

Finding the Fourth Proportional to 10,386.03, 14,339.60 and 6,412.98

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Solution

The fourth proportional to 10,386.03, 14,339.60 and 6,412.98 is: 8,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.03 : 14,339.60 = 6,412.98 : x
  2. Step 2: Convert to fraction form
    10,386.03/14,339.60 = 6,412.98/x
  3. Step 3: Cross multiply
    10,386.03x = 14,339.60 × 6,412.98
  4. Step 4: Simplify right side
    10,386.03x = 91,959,535.94
  5. Step 5: Solve for x
    x = 91,959,535.94/10,386.03
  6. Step 6: Final answer
    x = 8,854.16

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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.