Home / 10,490.68-14,412.35-9,386.23

Finding the Fourth Proportional to 10,490.68, 14,412.35 and 9,386.23

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Solution

The fourth proportional to 10,490.68, 14,412.35 and 9,386.23 is: 12,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.68 : 14,412.35 = 9,386.23 : x
  2. Step 2: Convert to fraction form
    10,490.68/14,412.35 = 9,386.23/x
  3. Step 3: Cross multiply
    10,490.68x = 14,412.35 × 9,386.23
  4. Step 4: Simplify right side
    10,490.68x = 135,277,631.94
  5. Step 5: Solve for x
    x = 135,277,631.94/10,490.68
  6. Step 6: Final answer
    x = 12,895.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.