Home / 15,563.99-21,477.43-8,848.69

Finding the Fourth Proportional to 15,563.99, 21,477.43 and 8,848.69

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Solution

The fourth proportional to 15,563.99, 21,477.43 and 8,848.69 is: 12,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.99 : 21,477.43 = 8,848.69 : x
  2. Step 2: Convert to fraction form
    15,563.99/21,477.43 = 8,848.69/x
  3. Step 3: Cross multiply
    15,563.99x = 21,477.43 × 8,848.69
  4. Step 4: Simplify right side
    15,563.99x = 190,047,120.07
  5. Step 5: Solve for x
    x = 190,047,120.07/15,563.99
  6. Step 6: Final answer
    x = 12,210.69

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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.