Home / 10,389.33-14,337.23-5,913.07

Finding the Fourth Proportional to 10,389.33, 14,337.23 and 5,913.07

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Solution

The fourth proportional to 10,389.33, 14,337.23 and 5,913.07 is: 8,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.33 : 14,337.23 = 5,913.07 : x
  2. Step 2: Convert to fraction form
    10,389.33/14,337.23 = 5,913.07/x
  3. Step 3: Cross multiply
    10,389.33x = 14,337.23 × 5,913.07
  4. Step 4: Simplify right side
    10,389.33x = 84,776,979.19
  5. Step 5: Solve for x
    x = 84,776,979.19/10,389.33
  6. Step 6: Final answer
    x = 8,160.00

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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.