Home / 13,798.55-19,041.45-7,510.93

Finding the Fourth Proportional to 13,798.55, 19,041.45 and 7,510.93

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Solution

The fourth proportional to 13,798.55, 19,041.45 and 7,510.93 is: 10,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.55 : 19,041.45 = 7,510.93 : x
  2. Step 2: Convert to fraction form
    13,798.55/19,041.45 = 7,510.93/x
  3. Step 3: Cross multiply
    13,798.55x = 19,041.45 × 7,510.93
  4. Step 4: Simplify right side
    13,798.55x = 143,018,998.05
  5. Step 5: Solve for x
    x = 143,018,998.05/13,798.55
  6. Step 6: Final answer
    x = 10,364.78

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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.