Home / 16,988.36-23,444.51-9,434.81

Finding the Fourth Proportional to 16,988.36, 23,444.51 and 9,434.81

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Solution

The fourth proportional to 16,988.36, 23,444.51 and 9,434.81 is: 13,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.36 : 23,444.51 = 9,434.81 : x
  2. Step 2: Convert to fraction form
    16,988.36/23,444.51 = 9,434.81/x
  3. Step 3: Cross multiply
    16,988.36x = 23,444.51 × 9,434.81
  4. Step 4: Simplify right side
    16,988.36x = 221,194,403.76
  5. Step 5: Solve for x
    x = 221,194,403.76/16,988.36
  6. Step 6: Final answer
    x = 13,020.35

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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.