Home / 10,814.32-14,916.36-6,624.64

Finding the Fourth Proportional to 10,814.32, 14,916.36 and 6,624.64

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Solution

The fourth proportional to 10,814.32, 14,916.36 and 6,624.64 is: 9,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.32 : 14,916.36 = 6,624.64 : x
  2. Step 2: Convert to fraction form
    10,814.32/14,916.36 = 6,624.64/x
  3. Step 3: Cross multiply
    10,814.32x = 14,916.36 × 6,624.64
  4. Step 4: Simplify right side
    10,814.32x = 98,815,515.11
  5. Step 5: Solve for x
    x = 98,815,515.11/10,814.32
  6. Step 6: Final answer
    x = 9,137.47

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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.