Home / 10,814.39-14,925.29-6,339.90

Finding the Fourth Proportional to 10,814.39, 14,925.29 and 6,339.90

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Solution

The fourth proportional to 10,814.39, 14,925.29 and 6,339.90 is: 8,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.39 : 14,925.29 = 6,339.90 : x
  2. Step 2: Convert to fraction form
    10,814.39/14,925.29 = 6,339.90/x
  3. Step 3: Cross multiply
    10,814.39x = 14,925.29 × 6,339.90
  4. Step 4: Simplify right side
    10,814.39x = 94,624,846.07
  5. Step 5: Solve for x
    x = 94,624,846.07/10,814.39
  6. Step 6: Final answer
    x = 8,749.90

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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.