Home / 13,510.59-20,271.72-7,263.29

Finding the Fourth Proportional to 13,510.59, 20,271.72 and 7,263.29

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Solution

The fourth proportional to 13,510.59, 20,271.72 and 7,263.29 is: 10,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.59 : 20,271.72 = 7,263.29 : x
  2. Step 2: Convert to fraction form
    13,510.59/20,271.72 = 7,263.29/x
  3. Step 3: Cross multiply
    13,510.59x = 20,271.72 × 7,263.29
  4. Step 4: Simplify right side
    13,510.59x = 147,239,381.16
  5. Step 5: Solve for x
    x = 147,239,381.16/13,510.59
  6. Step 6: Final answer
    x = 10,898.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.