Home / 15,602.18-21,530.21-8,528.58

Finding the Fourth Proportional to 15,602.18, 21,530.21 and 8,528.58

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Solution

The fourth proportional to 15,602.18, 21,530.21 and 8,528.58 is: 11,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.18 : 21,530.21 = 8,528.58 : x
  2. Step 2: Convert to fraction form
    15,602.18/21,530.21 = 8,528.58/x
  3. Step 3: Cross multiply
    15,602.18x = 21,530.21 × 8,528.58
  4. Step 4: Simplify right side
    15,602.18x = 183,622,075.76
  5. Step 5: Solve for x
    x = 183,622,075.76/15,602.18
  6. Step 6: Final answer
    x = 11,769.01

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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.