Home / 14,931.25-20,594.58-10,148.38

Finding the Fourth Proportional to 14,931.25, 20,594.58 and 10,148.38

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Solution

The fourth proportional to 14,931.25, 20,594.58 and 10,148.38 is: 13,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.25 : 20,594.58 = 10,148.38 : x
  2. Step 2: Convert to fraction form
    14,931.25/20,594.58 = 10,148.38/x
  3. Step 3: Cross multiply
    14,931.25x = 20,594.58 × 10,148.38
  4. Step 4: Simplify right side
    14,931.25x = 209,001,623.78
  5. Step 5: Solve for x
    x = 209,001,623.78/14,931.25
  6. Step 6: Final answer
    x = 13,997.60

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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.