Home / 13,088.99-18,061.16-8,849.28

Finding the Fourth Proportional to 13,088.99, 18,061.16 and 8,849.28

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Solution

The fourth proportional to 13,088.99, 18,061.16 and 8,849.28 is: 12,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.99 : 18,061.16 = 8,849.28 : x
  2. Step 2: Convert to fraction form
    13,088.99/18,061.16 = 8,849.28/x
  3. Step 3: Cross multiply
    13,088.99x = 18,061.16 × 8,849.28
  4. Step 4: Simplify right side
    13,088.99x = 159,828,261.96
  5. Step 5: Solve for x
    x = 159,828,261.96/13,088.99
  6. Step 6: Final answer
    x = 12,210.89

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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.