Home / 18,987.40-26,237.34-16,461.40

Finding the Fourth Proportional to 18,987.40, 26,237.34 and 16,461.40

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Solution

The fourth proportional to 18,987.40, 26,237.34 and 16,461.40 is: 22,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987.40 : 26,237.34 = 16,461.40 : x
  2. Step 2: Convert to fraction form
    18,987.40/26,237.34 = 16,461.40/x
  3. Step 3: Cross multiply
    18,987.40x = 26,237.34 × 16,461.40
  4. Step 4: Simplify right side
    18,987.40x = 431,903,348.68
  5. Step 5: Solve for x
    x = 431,903,348.68/18,987.40
  6. Step 6: Final answer
    x = 22,746.84

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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.