Home / 10,455.51-14,435.11-7,267.80

Finding the Fourth Proportional to 10,455.51, 14,435.11 and 7,267.80

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Solution

The fourth proportional to 10,455.51, 14,435.11 and 7,267.80 is: 10,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.51 : 14,435.11 = 7,267.80 : x
  2. Step 2: Convert to fraction form
    10,455.51/14,435.11 = 7,267.80/x
  3. Step 3: Cross multiply
    10,455.51x = 14,435.11 × 7,267.80
  4. Step 4: Simplify right side
    10,455.51x = 104,911,492.46
  5. Step 5: Solve for x
    x = 104,911,492.46/10,455.51
  6. Step 6: Final answer
    x = 10,034.09

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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.