Home / 19,461.22-26,829.93-13,778.98

Finding the Fourth Proportional to 19,461.22, 26,829.93 and 13,778.98

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Solution

The fourth proportional to 19,461.22, 26,829.93 and 13,778.98 is: 18,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.22 : 26,829.93 = 13,778.98 : x
  2. Step 2: Convert to fraction form
    19,461.22/26,829.93 = 13,778.98/x
  3. Step 3: Cross multiply
    19,461.22x = 26,829.93 × 13,778.98
  4. Step 4: Simplify right side
    19,461.22x = 369,689,068.87
  5. Step 5: Solve for x
    x = 369,689,068.87/19,461.22
  6. Step 6: Final answer
    x = 18,996.19

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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.