Home / 18,985.86-26,203.50-10,602.36

Finding the Fourth Proportional to 18,985.86, 26,203.50 and 10,602.36

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Solution

The fourth proportional to 18,985.86, 26,203.50 and 10,602.36 is: 14,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.86 : 26,203.50 = 10,602.36 : x
  2. Step 2: Convert to fraction form
    18,985.86/26,203.50 = 10,602.36/x
  3. Step 3: Cross multiply
    18,985.86x = 26,203.50 × 10,602.36
  4. Step 4: Simplify right side
    18,985.86x = 277,818,940.26
  5. Step 5: Solve for x
    x = 277,818,940.26/18,985.86
  6. Step 6: Final answer
    x = 14,632.94

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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.