Home / 19,348.48-29,026.80-6,870.40

Finding the Fourth Proportional to 19,348.48, 29,026.80 and 6,870.40

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Solution

The fourth proportional to 19,348.48, 29,026.80 and 6,870.40 is: 10,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.48 : 29,026.80 = 6,870.40 : x
  2. Step 2: Convert to fraction form
    19,348.48/29,026.80 = 6,870.40/x
  3. Step 3: Cross multiply
    19,348.48x = 29,026.80 × 6,870.40
  4. Step 4: Simplify right side
    19,348.48x = 199,425,726.72
  5. Step 5: Solve for x
    x = 199,425,726.72/19,348.48
  6. Step 6: Final answer
    x = 10,307.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.