Home / 11,386.40-17,075.74-4,364.76

Finding the Fourth Proportional to 11,386.40, 17,075.74 and 4,364.76

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Solution

The fourth proportional to 11,386.40, 17,075.74 and 4,364.76 is: 6,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.40 : 17,075.74 = 4,364.76 : x
  2. Step 2: Convert to fraction form
    11,386.40/17,075.74 = 4,364.76/x
  3. Step 3: Cross multiply
    11,386.40x = 17,075.74 × 4,364.76
  4. Step 4: Simplify right side
    11,386.40x = 74,531,506.92
  5. Step 5: Solve for x
    x = 74,531,506.92/11,386.40
  6. Step 6: Final answer
    x = 6,545.66

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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.