Home / 10,510.65-14,513.45-9,389.61

Finding the Fourth Proportional to 10,510.65, 14,513.45 and 9,389.61

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Solution

The fourth proportional to 10,510.65, 14,513.45 and 9,389.61 is: 12,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.65 : 14,513.45 = 9,389.61 : x
  2. Step 2: Convert to fraction form
    10,510.65/14,513.45 = 9,389.61/x
  3. Step 3: Cross multiply
    10,510.65x = 14,513.45 × 9,389.61
  4. Step 4: Simplify right side
    10,510.65x = 136,275,588.31
  5. Step 5: Solve for x
    x = 136,275,588.31/10,510.65
  6. Step 6: Final answer
    x = 12,965.48

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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.