Home / 19,386.34-29,075.63-5,342.76

Finding the Fourth Proportional to 19,386.34, 29,075.63 and 5,342.76

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Solution

The fourth proportional to 19,386.34, 29,075.63 and 5,342.76 is: 8,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.34 : 29,075.63 = 5,342.76 : x
  2. Step 2: Convert to fraction form
    19,386.34/29,075.63 = 5,342.76/x
  3. Step 3: Cross multiply
    19,386.34x = 29,075.63 × 5,342.76
  4. Step 4: Simplify right side
    19,386.34x = 155,344,086.23
  5. Step 5: Solve for x
    x = 155,344,086.23/19,386.34
  6. Step 6: Final answer
    x = 8,013.07

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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.