Home / 15,437.02-21,303.92-8,722.93

Finding the Fourth Proportional to 15,437.02, 21,303.92 and 8,722.93

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Solution

The fourth proportional to 15,437.02, 21,303.92 and 8,722.93 is: 12,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.02 : 21,303.92 = 8,722.93 : x
  2. Step 2: Convert to fraction form
    15,437.02/21,303.92 = 8,722.93/x
  3. Step 3: Cross multiply
    15,437.02x = 21,303.92 × 8,722.93
  4. Step 4: Simplify right side
    15,437.02x = 185,832,506.01
  5. Step 5: Solve for x
    x = 185,832,506.01/15,437.02
  6. Step 6: Final answer
    x = 12,038.11

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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.