Home / 12,622.57-17,417.09-7,316.35

Finding the Fourth Proportional to 12,622.57, 17,417.09 and 7,316.35

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Solution

The fourth proportional to 12,622.57, 17,417.09 and 7,316.35 is: 10,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.57 : 17,417.09 = 7,316.35 : x
  2. Step 2: Convert to fraction form
    12,622.57/17,417.09 = 7,316.35/x
  3. Step 3: Cross multiply
    12,622.57x = 17,417.09 × 7,316.35
  4. Step 4: Simplify right side
    12,622.57x = 127,429,501.17
  5. Step 5: Solve for x
    x = 127,429,501.17/12,622.57
  6. Step 6: Final answer
    x = 10,095.37

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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.