Home / 10,461.44-14,440.96-7,813.12

Finding the Fourth Proportional to 10,461.44, 14,440.96 and 7,813.12

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Solution

The fourth proportional to 10,461.44, 14,440.96 and 7,813.12 is: 10,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.44 : 14,440.96 = 7,813.12 : x
  2. Step 2: Convert to fraction form
    10,461.44/14,440.96 = 7,813.12/x
  3. Step 3: Cross multiply
    10,461.44x = 14,440.96 × 7,813.12
  4. Step 4: Simplify right side
    10,461.44x = 112,828,953.40
  5. Step 5: Solve for x
    x = 112,828,953.40/10,461.44
  6. Step 6: Final answer
    x = 10,785.22

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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.