Home / 15,602.09-23,508.37-12,889.51

Finding the Fourth Proportional to 15,602.09, 23,508.37 and 12,889.51

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Solution

The fourth proportional to 15,602.09, 23,508.37 and 12,889.51 is: 19,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.09 : 23,508.37 = 12,889.51 : x
  2. Step 2: Convert to fraction form
    15,602.09/23,508.37 = 12,889.51/x
  3. Step 3: Cross multiply
    15,602.09x = 23,508.37 × 12,889.51
  4. Step 4: Simplify right side
    15,602.09x = 303,011,370.20
  5. Step 5: Solve for x
    x = 303,011,370.20/15,602.09
  6. Step 6: Final answer
    x = 19,421.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.