Home / 16,870.60-25,328.70-9,857.80

Finding the Fourth Proportional to 16,870.60, 25,328.70 and 9,857.80

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Solution

The fourth proportional to 16,870.60, 25,328.70 and 9,857.80 is: 14,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.60 : 25,328.70 = 9,857.80 : x
  2. Step 2: Convert to fraction form
    16,870.60/25,328.70 = 9,857.80/x
  3. Step 3: Cross multiply
    16,870.60x = 25,328.70 × 9,857.80
  4. Step 4: Simplify right side
    16,870.60x = 249,685,258.86
  5. Step 5: Solve for x
    x = 249,685,258.86/16,870.60
  6. Step 6: Final answer
    x = 14,800.02

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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.