Home / 19,368.61-26,731.41-11,304.91

Finding the Fourth Proportional to 19,368.61, 26,731.41 and 11,304.91

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Solution

The fourth proportional to 19,368.61, 26,731.41 and 11,304.91 is: 15,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.61 : 26,731.41 = 11,304.91 : x
  2. Step 2: Convert to fraction form
    19,368.61/26,731.41 = 11,304.91/x
  3. Step 3: Cross multiply
    19,368.61x = 26,731.41 × 11,304.91
  4. Step 4: Simplify right side
    19,368.61x = 302,196,184.22
  5. Step 5: Solve for x
    x = 302,196,184.22/19,368.61
  6. Step 6: Final answer
    x = 15,602.37

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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.