Home / 10,816.04-16,128.59-10,430.58

Finding the Fourth Proportional to 10,816.04, 16,128.59 and 10,430.58

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Solution

The fourth proportional to 10,816.04, 16,128.59 and 10,430.58 is: 15,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.04 : 16,128.59 = 10,430.58 : x
  2. Step 2: Convert to fraction form
    10,816.04/16,128.59 = 10,430.58/x
  3. Step 3: Cross multiply
    10,816.04x = 16,128.59 × 10,430.58
  4. Step 4: Simplify right side
    10,816.04x = 168,230,574.36
  5. Step 5: Solve for x
    x = 168,230,574.36/10,816.04
  6. Step 6: Final answer
    x = 15,553.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.