Home / 19,210.02-26,518.68-13,549.38

Finding the Fourth Proportional to 19,210.02, 26,518.68 and 13,549.38

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Solution

The fourth proportional to 19,210.02, 26,518.68 and 13,549.38 is: 18,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.02 : 26,518.68 = 13,549.38 : x
  2. Step 2: Convert to fraction form
    19,210.02/26,518.68 = 13,549.38/x
  3. Step 3: Cross multiply
    19,210.02x = 26,518.68 × 13,549.38
  4. Step 4: Simplify right side
    19,210.02x = 359,311,672.42
  5. Step 5: Solve for x
    x = 359,311,672.42/19,210.02
  6. Step 6: Final answer
    x = 18,704.39

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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.