Home / 13,925.34-19,217.10-7,637.70

Finding the Fourth Proportional to 13,925.34, 19,217.10 and 7,637.70

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Solution

The fourth proportional to 13,925.34, 19,217.10 and 7,637.70 is: 10,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.34 : 19,217.10 = 7,637.70 : x
  2. Step 2: Convert to fraction form
    13,925.34/19,217.10 = 7,637.70/x
  3. Step 3: Cross multiply
    13,925.34x = 19,217.10 × 7,637.70
  4. Step 4: Simplify right side
    13,925.34x = 146,774,444.67
  5. Step 5: Solve for x
    x = 146,774,444.67/13,925.34
  6. Step 6: Final answer
    x = 10,540.10

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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.