Home / 14,280.87-21,384.41-9,852.20

Finding the Fourth Proportional to 14,280.87, 21,384.41 and 9,852.20

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Solution

The fourth proportional to 14,280.87, 21,384.41 and 9,852.20 is: 14,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.87 : 21,384.41 = 9,852.20 : x
  2. Step 2: Convert to fraction form
    14,280.87/21,384.41 = 9,852.20/x
  3. Step 3: Cross multiply
    14,280.87x = 21,384.41 × 9,852.20
  4. Step 4: Simplify right side
    14,280.87x = 210,683,328.02
  5. Step 5: Solve for x
    x = 210,683,328.02/14,280.87
  6. Step 6: Final answer
    x = 14,752.84

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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.