Home / 19,365.49-26,697.36-12,980.95

Finding the Fourth Proportional to 19,365.49, 26,697.36 and 12,980.95

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Solution

The fourth proportional to 19,365.49, 26,697.36 and 12,980.95 is: 17,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.49 : 26,697.36 = 12,980.95 : x
  2. Step 2: Convert to fraction form
    19,365.49/26,697.36 = 12,980.95/x
  3. Step 3: Cross multiply
    19,365.49x = 26,697.36 × 12,980.95
  4. Step 4: Simplify right side
    19,365.49x = 346,557,095.29
  5. Step 5: Solve for x
    x = 346,557,095.29/19,365.49
  6. Step 6: Final answer
    x = 17,895.60

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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.