Home / 18,535.86-27,798.93-5,384.70

Finding the Fourth Proportional to 18,535.86, 27,798.93 and 5,384.70

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Solution

The fourth proportional to 18,535.86, 27,798.93 and 5,384.70 is: 8,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.86 : 27,798.93 = 5,384.70 : x
  2. Step 2: Convert to fraction form
    18,535.86/27,798.93 = 5,384.70/x
  3. Step 3: Cross multiply
    18,535.86x = 27,798.93 × 5,384.70
  4. Step 4: Simplify right side
    18,535.86x = 149,688,898.37
  5. Step 5: Solve for x
    x = 149,688,898.37/18,535.86
  6. Step 6: Final answer
    x = 8,075.64

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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.