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Finding the Fourth Proportional to 9,875.70, 14,808.15 and 4,025.70

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Solution

The fourth proportional to 9,875.70, 14,808.15 and 4,025.70 is: 6,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.70 : 14,808.15 = 4,025.70 : x
  2. Step 2: Convert to fraction form
    9,875.70/14,808.15 = 4,025.70/x
  3. Step 3: Cross multiply
    9,875.70x = 14,808.15 × 4,025.70
  4. Step 4: Simplify right side
    9,875.70x = 59,613,169.46
  5. Step 5: Solve for x
    x = 59,613,169.46/9,875.70
  6. Step 6: Final answer
    x = 6,036.35

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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.