Home / 16,830.40-23,223.60-10,458.40

Finding the Fourth Proportional to 16,830.40, 23,223.60 and 10,458.40

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Solution

The fourth proportional to 16,830.40, 23,223.60 and 10,458.40 is: 14,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.40 : 23,223.60 = 10,458.40 : x
  2. Step 2: Convert to fraction form
    16,830.40/23,223.60 = 10,458.40/x
  3. Step 3: Cross multiply
    16,830.40x = 23,223.60 × 10,458.40
  4. Step 4: Simplify right side
    16,830.40x = 242,881,698.24
  5. Step 5: Solve for x
    x = 242,881,698.24/16,830.40
  6. Step 6: Final answer
    x = 14,431.13

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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.