Home / 13,925.65-19,218.41-7,957.19

Finding the Fourth Proportional to 13,925.65, 19,218.41 and 7,957.19

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Solution

The fourth proportional to 13,925.65, 19,218.41 and 7,957.19 is: 10,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.65 : 19,218.41 = 7,957.19 : x
  2. Step 2: Convert to fraction form
    13,925.65/19,218.41 = 7,957.19/x
  3. Step 3: Cross multiply
    13,925.65x = 19,218.41 × 7,957.19
  4. Step 4: Simplify right side
    13,925.65x = 152,924,539.87
  5. Step 5: Solve for x
    x = 152,924,539.87/13,925.65
  6. Step 6: Final answer
    x = 10,981.50

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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.