Home / 10,345.66-14,283.75-6,814.87

Finding the Fourth Proportional to 10,345.66, 14,283.75 and 6,814.87

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Solution

The fourth proportional to 10,345.66, 14,283.75 and 6,814.87 is: 9,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.66 : 14,283.75 = 6,814.87 : x
  2. Step 2: Convert to fraction form
    10,345.66/14,283.75 = 6,814.87/x
  3. Step 3: Cross multiply
    10,345.66x = 14,283.75 × 6,814.87
  4. Step 4: Simplify right side
    10,345.66x = 97,341,899.36
  5. Step 5: Solve for x
    x = 97,341,899.36/10,345.66
  6. Step 6: Final answer
    x = 9,408.96

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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.