Home / 19,730.12-29,547.89-14,378.95

Finding the Fourth Proportional to 19,730.12, 29,547.89 and 14,378.95

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Solution

The fourth proportional to 19,730.12, 29,547.89 and 14,378.95 is: 21,533.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.12 : 29,547.89 = 14,378.95 : x
  2. Step 2: Convert to fraction form
    19,730.12/29,547.89 = 14,378.95/x
  3. Step 3: Cross multiply
    19,730.12x = 29,547.89 × 14,378.95
  4. Step 4: Simplify right side
    19,730.12x = 424,867,651.88
  5. Step 5: Solve for x
    x = 424,867,651.88/19,730.12
  6. Step 6: Final answer
    x = 21,533.97

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1.5x scale

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.