Home / 23,167.63-31,970.45-12,557.03

Finding the Fourth Proportional to 23,167.63, 31,970.45 and 12,557.03

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Solution

The fourth proportional to 23,167.63, 31,970.45 and 12,557.03 is: 17,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.63 : 31,970.45 = 12,557.03 : x
  2. Step 2: Convert to fraction form
    23,167.63/31,970.45 = 12,557.03/x
  3. Step 3: Cross multiply
    23,167.63x = 31,970.45 × 12,557.03
  4. Step 4: Simplify right side
    23,167.63x = 401,453,899.76
  5. Step 5: Solve for x
    x = 401,453,899.76/23,167.63
  6. Step 6: Final answer
    x = 17,328.22

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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.