Home / 14,074.71-19,423.40-7,787.13

Finding the Fourth Proportional to 14,074.71, 19,423.40 and 7,787.13

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Solution

The fourth proportional to 14,074.71, 19,423.40 and 7,787.13 is: 10,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.71 : 19,423.40 = 7,787.13 : x
  2. Step 2: Convert to fraction form
    14,074.71/19,423.40 = 7,787.13/x
  3. Step 3: Cross multiply
    14,074.71x = 19,423.40 × 7,787.13
  4. Step 4: Simplify right side
    14,074.71x = 151,252,501.91
  5. Step 5: Solve for x
    x = 151,252,501.91/14,074.71
  6. Step 6: Final answer
    x = 10,746.40

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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.