Home / 21,746.34-30,010.02-12,316.68

Finding the Fourth Proportional to 21,746.34, 30,010.02 and 12,316.68

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Solution

The fourth proportional to 21,746.34, 30,010.02 and 12,316.68 is: 16,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.34 : 30,010.02 = 12,316.68 : x
  2. Step 2: Convert to fraction form
    21,746.34/30,010.02 = 12,316.68/x
  3. Step 3: Cross multiply
    21,746.34x = 30,010.02 × 12,316.68
  4. Step 4: Simplify right side
    21,746.34x = 369,623,813.13
  5. Step 5: Solve for x
    x = 369,623,813.13/21,746.34
  6. Step 6: Final answer
    x = 16,997.06

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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.